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Finding the Third Proportional to 59,917,626 and 129,091,213

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Solution

The third proportional to 59,917,626 and 129,091,213 is: 278,124,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,917,626 : 129,091,213 = 129,091,213 : x
  2. Step 2: Convert to fraction form
    59,917,626/129,091,213 = 129,091,213/x
  3. Step 3: Cross multiply
    59,917,626x = 129,091,213 × 129,091,213
  4. Step 4: Simplify right side
    59,917,626x = 16,664,541,273,811,368
  5. Step 5: Solve for x
    x = 16,664,541,273,811,368/59,917,626
  6. Step 6: Final answer
    x = 278,124,191.27

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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.