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Finding the Third Proportional to 9,486 and 15,511

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Solution

The third proportional to 9,486 and 15,511 is: 25,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486 : 15,511 = 15,511 : x
  2. Step 2: Convert to fraction form
    9,486/15,511 = 15,511/x
  3. Step 3: Cross multiply
    9,486x = 15,511 × 15,511
  4. Step 4: Simplify right side
    9,486x = 240,591,121
  5. Step 5: Solve for x
    x = 240,591,121/9,486
  6. Step 6: Final answer
    x = 25,362.76

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.