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Finding the Third Proportional to 63,387.75 and 98,715.75

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Solution

The third proportional to 63,387.75 and 98,715.75 is: 153,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,387.75 : 98,715.75 = 98,715.75 : x
  2. Step 2: Convert to fraction form
    63,387.75/98,715.75 = 98,715.75/x
  3. Step 3: Cross multiply
    63,387.75x = 98,715.75 × 98,715.75
  4. Step 4: Simplify right side
    63,387.75x = 9,744,799,298.06
  5. Step 5: Solve for x
    x = 9,744,799,298.06/63,387.75
  6. Step 6: Final answer
    x = 153,733.16

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.