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Finding the Third Proportional to 15,688 and 33,566

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Solution

The third proportional to 15,688 and 33,566 is: 71,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688 : 33,566 = 33,566 : x
  2. Step 2: Convert to fraction form
    15,688/33,566 = 33,566/x
  3. Step 3: Cross multiply
    15,688x = 33,566 × 33,566
  4. Step 4: Simplify right side
    15,688x = 1,126,676,356
  5. Step 5: Solve for x
    x = 1,126,676,356/15,688
  6. Step 6: Final answer
    x = 71,817.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.