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Finding the Third Proportional to 7,624 and 9,232

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Solution

The third proportional to 7,624 and 9,232 is: 11,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624 : 9,232 = 9,232 : x
  2. Step 2: Convert to fraction form
    7,624/9,232 = 9,232/x
  3. Step 3: Cross multiply
    7,624x = 9,232 × 9,232
  4. Step 4: Simplify right side
    7,624x = 85,229,824
  5. Step 5: Solve for x
    x = 85,229,824/7,624
  6. Step 6: Final answer
    x = 11,179.15

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.