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Finding the Third Proportional to 61,331,972 and 131,654,028

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Solution

The third proportional to 61,331,972 and 131,654,028 is: 282,605,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,331,972 : 131,654,028 = 131,654,028 : x
  2. Step 2: Convert to fraction form
    61,331,972/131,654,028 = 131,654,028/x
  3. Step 3: Cross multiply
    61,331,972x = 131,654,028 × 131,654,028
  4. Step 4: Simplify right side
    61,331,972x = 17,332,783,088,624,784
  5. Step 5: Solve for x
    x = 17,332,783,088,624,784/61,331,972
  6. Step 6: Final answer
    x = 282,605,996.90

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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.