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Finding the Third Proportional to 8,785 and 15,382

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Solution

The third proportional to 8,785 and 15,382 is: 26,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785 : 15,382 = 15,382 : x
  2. Step 2: Convert to fraction form
    8,785/15,382 = 15,382/x
  3. Step 3: Cross multiply
    8,785x = 15,382 × 15,382
  4. Step 4: Simplify right side
    8,785x = 236,605,924
  5. Step 5: Solve for x
    x = 236,605,924/8,785
  6. Step 6: Final answer
    x = 26,932.95

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Why These Related Problems?

These problems maintain the same ratio (1.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.