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Finding the Third Proportional to 7,392 and 8,352

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Solution

The third proportional to 7,392 and 8,352 is: 9,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392 : 8,352 = 8,352 : x
  2. Step 2: Convert to fraction form
    7,392/8,352 = 8,352/x
  3. Step 3: Cross multiply
    7,392x = 8,352 × 8,352
  4. Step 4: Simplify right side
    7,392x = 69,755,904
  5. Step 5: Solve for x
    x = 69,755,904/7,392
  6. Step 6: Final answer
    x = 9,436.68

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.