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Finding the Third Proportional to 61,315,536 and 85,253,496

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Solution

The third proportional to 61,315,536 and 85,253,496 is: 118,536,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,315,536 : 85,253,496 = 85,253,496 : x
  2. Step 2: Convert to fraction form
    61,315,536/85,253,496 = 85,253,496/x
  3. Step 3: Cross multiply
    61,315,536x = 85,253,496 × 85,253,496
  4. Step 4: Simplify right side
    61,315,536x = 7,268,158,580,222,016
  5. Step 5: Solve for x
    x = 7,268,158,580,222,016/61,315,536
  6. Step 6: Final answer
    x = 118,536,981.89

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.