Home / 428,479,718.50-603,393,862

Finding the Third Proportional to 428,479,718.50 and 603,393,862

Calculator

Solution

The third proportional to 428,479,718.50 and 603,393,862 is: 849,711,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,479,718.50 : 603,393,862 = 603,393,862 : x
  2. Step 2: Convert to fraction form
    428,479,718.50/603,393,862 = 603,393,862/x
  3. Step 3: Cross multiply
    428,479,718.50x = 603,393,862 × 603,393,862
  4. Step 4: Simplify right side
    428,479,718.50x = 364,084,152,699,275,072
  5. Step 5: Solve for x
    x = 364,084,152,699,275,072/428,479,718.50
  6. Step 6: Final answer
    x = 849,711,519.54

Related Problems

Find third proportional to 214,239,859.25 and 301,696,931
Half scale
Find third proportional to 856,959,437 and 1,206,787,724
Double scale
Find third proportional to 428,479,721 and 603,393,865
Similar ratio
Find third proportional to 642,719,577.75 and 905,090,793
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.