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Finding the Third Proportional to 59,915,450 and 129,060,040

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Solution

The third proportional to 59,915,450 and 129,060,040 is: 277,999,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,915,450 : 129,060,040 = 129,060,040 : x
  2. Step 2: Convert to fraction form
    59,915,450/129,060,040 = 129,060,040/x
  3. Step 3: Cross multiply
    59,915,450x = 129,060,040 × 129,060,040
  4. Step 4: Simplify right side
    59,915,450x = 16,656,493,924,801,600
  5. Step 5: Solve for x
    x = 16,656,493,924,801,600/59,915,450
  6. Step 6: Final answer
    x = 277,999,980.39

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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.