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Finding the Third Proportional to 38,508 and 56,427

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Solution

The third proportional to 38,508 and 56,427 is: 82,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,508 : 56,427 = 56,427 : x
  2. Step 2: Convert to fraction form
    38,508/56,427 = 56,427/x
  3. Step 3: Cross multiply
    38,508x = 56,427 × 56,427
  4. Step 4: Simplify right side
    38,508x = 3,184,006,329
  5. Step 5: Solve for x
    x = 3,184,006,329/38,508
  6. Step 6: Final answer
    x = 82,684.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.