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Finding the Third Proportional to 71,637.75 and 153,847.13

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Solution

The third proportional to 71,637.75 and 153,847.13 is: 330,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,637.75 : 153,847.13 = 153,847.13 : x
  2. Step 2: Convert to fraction form
    71,637.75/153,847.13 = 153,847.13/x
  3. Step 3: Cross multiply
    71,637.75x = 153,847.13 × 153,847.13
  4. Step 4: Simplify right side
    71,637.75x = 23,668,937,870.77
  5. Step 5: Solve for x
    x = 23,668,937,870.77/71,637.75
  6. Step 6: Final answer
    x = 330,397.56

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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.