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Finding the Third Proportional to 62,712 and 97,142

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Solution

The third proportional to 62,712 and 97,142 is: 150,474.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,712 : 97,142 = 97,142 : x
  2. Step 2: Convert to fraction form
    62,712/97,142 = 97,142/x
  3. Step 3: Cross multiply
    62,712x = 97,142 × 97,142
  4. Step 4: Simplify right side
    62,712x = 9,436,568,164
  5. Step 5: Solve for x
    x = 9,436,568,164/62,712
  6. Step 6: Final answer
    x = 150,474.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.