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Finding the Third Proportional to 59,917,599 and 129,091,146

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Solution

The third proportional to 59,917,599 and 129,091,146 is: 278,124,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,917,599 : 129,091,146 = 129,091,146 : x
  2. Step 2: Convert to fraction form
    59,917,599/129,091,146 = 129,091,146/x
  3. Step 3: Cross multiply
    59,917,599x = 129,091,146 × 129,091,146
  4. Step 4: Simplify right side
    59,917,599x = 16,664,523,975,593,316
  5. Step 5: Solve for x
    x = 16,664,523,975,593,316/59,917,599
  6. Step 6: Final answer
    x = 278,124,027.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.