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Finding the Third Proportional to 32,813 and 71,641

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Solution

The third proportional to 32,813 and 71,641 is: 156,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,813 : 71,641 = 71,641 : x
  2. Step 2: Convert to fraction form
    32,813/71,641 = 71,641/x
  3. Step 3: Cross multiply
    32,813x = 71,641 × 71,641
  4. Step 4: Simplify right side
    32,813x = 5,132,432,881
  5. Step 5: Solve for x
    x = 5,132,432,881/32,813
  6. Step 6: Final answer
    x = 156,414.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.