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Finding the Third Proportional to 7,432 and 9,906

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Solution

The third proportional to 7,432 and 9,906 is: 13,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432 : 9,906 = 9,906 : x
  2. Step 2: Convert to fraction form
    7,432/9,906 = 9,906/x
  3. Step 3: Cross multiply
    7,432x = 9,906 × 9,906
  4. Step 4: Simplify right side
    7,432x = 98,128,836
  5. Step 5: Solve for x
    x = 98,128,836/7,432
  6. Step 6: Final answer
    x = 13,203.56

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.