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Finding the Third Proportional to 5,432 and 7,338

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Solution

The third proportional to 5,432 and 7,338 is: 9,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432 : 7,338 = 7,338 : x
  2. Step 2: Convert to fraction form
    5,432/7,338 = 7,338/x
  3. Step 3: Cross multiply
    5,432x = 7,338 × 7,338
  4. Step 4: Simplify right side
    5,432x = 53,846,244
  5. Step 5: Solve for x
    x = 53,846,244/5,432
  6. Step 6: Final answer
    x = 9,912.78

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.