Home / 298,926,974-420,771,617

Finding the Third Proportional to 298,926,974 and 420,771,617

Calculator

Solution

The third proportional to 298,926,974 and 420,771,617 is: 592,280,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,926,974 : 420,771,617 = 420,771,617 : x
  2. Step 2: Convert to fraction form
    298,926,974/420,771,617 = 420,771,617/x
  3. Step 3: Cross multiply
    298,926,974x = 420,771,617 × 420,771,617
  4. Step 4: Simplify right side
    298,926,974x = 177,048,753,672,794,688
  5. Step 5: Solve for x
    x = 177,048,753,672,794,688/298,926,974
  6. Step 6: Final answer
    x = 592,280,955.12

Related Problems

Find third proportional to 149,463,487 and 210,385,808.50
Half scale
Find third proportional to 597,853,948 and 841,543,234
Double scale
Find third proportional to 298,926,976 and 420,771,620
Similar ratio
Find third proportional to 448,390,461 and 631,157,425.50
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.