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Finding the Third Proportional to 10,691 and 16,797

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Solution

The third proportional to 10,691 and 16,797 is: 26,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691 : 16,797 = 16,797 : x
  2. Step 2: Convert to fraction form
    10,691/16,797 = 16,797/x
  3. Step 3: Cross multiply
    10,691x = 16,797 × 16,797
  4. Step 4: Simplify right side
    10,691x = 282,139,209
  5. Step 5: Solve for x
    x = 282,139,209/10,691
  6. Step 6: Final answer
    x = 26,390.35

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.