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Finding the Third Proportional to 64,788,387.75 and 91,673,586

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Solution

The third proportional to 64,788,387.75 and 91,673,586 is: 129,715,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,788,387.75 : 91,673,586 = 91,673,586 : x
  2. Step 2: Convert to fraction form
    64,788,387.75/91,673,586 = 91,673,586/x
  3. Step 3: Cross multiply
    64,788,387.75x = 91,673,586 × 91,673,586
  4. Step 4: Simplify right side
    64,788,387.75x = 8,404,046,370,099,396
  5. Step 5: Solve for x
    x = 8,404,046,370,099,396/64,788,387.75
  6. Step 6: Final answer
    x = 129,715,318.78

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.