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Finding the Third Proportional to 65,572 and 98,691

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Solution

The third proportional to 65,572 and 98,691 is: 148,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,572 : 98,691 = 98,691 : x
  2. Step 2: Convert to fraction form
    65,572/98,691 = 98,691/x
  3. Step 3: Cross multiply
    65,572x = 98,691 × 98,691
  4. Step 4: Simplify right side
    65,572x = 9,739,913,481
  5. Step 5: Solve for x
    x = 9,739,913,481/65,572
  6. Step 6: Final answer
    x = 148,537.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.