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Finding the Third Proportional to 38,403 and 56,349

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Solution

The third proportional to 38,403 and 56,349 is: 82,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403 : 56,349 = 56,349 : x
  2. Step 2: Convert to fraction form
    38,403/56,349 = 56,349/x
  3. Step 3: Cross multiply
    38,403x = 56,349 × 56,349
  4. Step 4: Simplify right side
    38,403x = 3,175,209,801
  5. Step 5: Solve for x
    x = 3,175,209,801/38,403
  6. Step 6: Final answer
    x = 82,681.30

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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.