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Finding the Third Proportional to 9,424 and 15,800

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Solution

The third proportional to 9,424 and 15,800 is: 26,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424 : 15,800 = 15,800 : x
  2. Step 2: Convert to fraction form
    9,424/15,800 = 15,800/x
  3. Step 3: Cross multiply
    9,424x = 15,800 × 15,800
  4. Step 4: Simplify right side
    9,424x = 249,640,000
  5. Step 5: Solve for x
    x = 249,640,000/9,424
  6. Step 6: Final answer
    x = 26,489.81

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.