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Finding the Third Proportional to 15,706 and 33,687

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Solution

The third proportional to 15,706 and 33,687 is: 72,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706 : 33,687 = 33,687 : x
  2. Step 2: Convert to fraction form
    15,706/33,687 = 33,687/x
  3. Step 3: Cross multiply
    15,706x = 33,687 × 33,687
  4. Step 4: Simplify right side
    15,706x = 1,134,813,969
  5. Step 5: Solve for x
    x = 1,134,813,969/15,706
  6. Step 6: Final answer
    x = 72,253.53

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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.