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Finding the Third Proportional to 29,639 and 52,705

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Solution

The third proportional to 29,639 and 52,705 is: 93,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639 : 52,705 = 52,705 : x
  2. Step 2: Convert to fraction form
    29,639/52,705 = 52,705/x
  3. Step 3: Cross multiply
    29,639x = 52,705 × 52,705
  4. Step 4: Simplify right side
    29,639x = 2,777,817,025
  5. Step 5: Solve for x
    x = 2,777,817,025/29,639
  6. Step 6: Final answer
    x = 93,721.69

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.