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Finding the Third Proportional to 9,691 and 14,498

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Solution

The third proportional to 9,691 and 14,498 is: 21,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691 : 14,498 = 14,498 : x
  2. Step 2: Convert to fraction form
    9,691/14,498 = 14,498/x
  3. Step 3: Cross multiply
    9,691x = 14,498 × 14,498
  4. Step 4: Simplify right side
    9,691x = 210,192,004
  5. Step 5: Solve for x
    x = 210,192,004/9,691
  6. Step 6: Final answer
    x = 21,689.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.