Home / 421,178-994,260

Finding the Third Proportional to 421,178 and 994,260

Calculator

Solution

The third proportional to 421,178 and 994,260 is: 2,347,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,178 : 994,260 = 994,260 : x
  2. Step 2: Convert to fraction form
    421,178/994,260 = 994,260/x
  3. Step 3: Cross multiply
    421,178x = 994,260 × 994,260
  4. Step 4: Simplify right side
    421,178x = 988,552,947,600
  5. Step 5: Solve for x
    x = 988,552,947,600/421,178
  6. Step 6: Final answer
    x = 2,347,114.40

Related Problems

Find third proportional to 210,589 and 497,130
Half scale
Find third proportional to 842,356 and 1,988,520
Double scale
Find third proportional to 421,180 and 994,265
Similar ratio
Find third proportional to 631,767 and 1,491,390
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.