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Finding the Third Proportional to 64,962,755.50 and 135,299,072

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Solution

The third proportional to 64,962,755.50 and 135,299,072 is: 281,789,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,962,755.50 : 135,299,072 = 135,299,072 : x
  2. Step 2: Convert to fraction form
    64,962,755.50/135,299,072 = 135,299,072/x
  3. Step 3: Cross multiply
    64,962,755.50x = 135,299,072 × 135,299,072
  4. Step 4: Simplify right side
    64,962,755.50x = 18,305,838,884,061,184
  5. Step 5: Solve for x
    x = 18,305,838,884,061,184/64,962,755.50
  6. Step 6: Final answer
    x = 281,789,753.89

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.