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Finding the Third Proportional to 5,436 and 8,352

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Solution

The third proportional to 5,436 and 8,352 is: 12,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436 : 8,352 = 8,352 : x
  2. Step 2: Convert to fraction form
    5,436/8,352 = 8,352/x
  3. Step 3: Cross multiply
    5,436x = 8,352 × 8,352
  4. Step 4: Simplify right side
    5,436x = 69,755,904
  5. Step 5: Solve for x
    x = 69,755,904/5,436
  6. Step 6: Final answer
    x = 12,832.21

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.