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Finding the Third Proportional to 65,721 and 98,469.38

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Solution

The third proportional to 65,721 and 98,469.38 is: 147,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,721 : 98,469.38 = 98,469.38 : x
  2. Step 2: Convert to fraction form
    65,721/98,469.38 = 98,469.38/x
  3. Step 3: Cross multiply
    65,721x = 98,469.38 × 98,469.38
  4. Step 4: Simplify right side
    65,721x = 9,696,217,812.89
  5. Step 5: Solve for x
    x = 9,696,217,812.89/65,721
  6. Step 6: Final answer
    x = 147,536.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.