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Finding the Third Proportional to 15,652 and 17,124

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Solution

The third proportional to 15,652 and 17,124 is: 18,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652 : 17,124 = 17,124 : x
  2. Step 2: Convert to fraction form
    15,652/17,124 = 17,124/x
  3. Step 3: Cross multiply
    15,652x = 17,124 × 17,124
  4. Step 4: Simplify right side
    15,652x = 293,231,376
  5. Step 5: Solve for x
    x = 293,231,376/15,652
  6. Step 6: Final answer
    x = 18,734.43

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.