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Finding the Third Proportional to 102,712 and 220,754

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Solution

The third proportional to 102,712 and 220,754 is: 474,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,712 : 220,754 = 220,754 : x
  2. Step 2: Convert to fraction form
    102,712/220,754 = 220,754/x
  3. Step 3: Cross multiply
    102,712x = 220,754 × 220,754
  4. Step 4: Simplify right side
    102,712x = 48,732,328,516
  5. Step 5: Solve for x
    x = 48,732,328,516/102,712
  6. Step 6: Final answer
    x = 474,456.04

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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.