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Finding the Third Proportional to 64,840,981.50 and 100,291,464

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Solution

The third proportional to 64,840,981.50 and 100,291,464 is: 155,123,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,840,981.50 : 100,291,464 = 100,291,464 : x
  2. Step 2: Convert to fraction form
    64,840,981.50/100,291,464 = 100,291,464/x
  3. Step 3: Cross multiply
    64,840,981.50x = 100,291,464 × 100,291,464
  4. Step 4: Simplify right side
    64,840,981.50x = 10,058,377,751,263,296
  5. Step 5: Solve for x
    x = 10,058,377,751,263,296/64,840,981.50
  6. Step 6: Final answer
    x = 155,123,773.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.