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Finding the Third Proportional to 60,206,478 and 90,445,377

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Solution

The third proportional to 60,206,478 and 90,445,377 is: 135,871,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,206,478 : 90,445,377 = 90,445,377 : x
  2. Step 2: Convert to fraction form
    60,206,478/90,445,377 = 90,445,377/x
  3. Step 3: Cross multiply
    60,206,478x = 90,445,377 × 90,445,377
  4. Step 4: Simplify right side
    60,206,478x = 8,180,366,220,672,129
  5. Step 5: Solve for x
    x = 8,180,366,220,672,129/60,206,478
  6. Step 6: Final answer
    x = 135,871,861.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.