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Finding the Third Proportional to 7,122 and 9,523

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Solution

The third proportional to 7,122 and 9,523 is: 12,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122 : 9,523 = 9,523 : x
  2. Step 2: Convert to fraction form
    7,122/9,523 = 9,523/x
  3. Step 3: Cross multiply
    7,122x = 9,523 × 9,523
  4. Step 4: Simplify right side
    7,122x = 90,687,529
  5. Step 5: Solve for x
    x = 90,687,529/7,122
  6. Step 6: Final answer
    x = 12,733.44

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.