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Finding the Third Proportional to 39,383 and 53,060

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Solution

The third proportional to 39,383 and 53,060 is: 71,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383 : 53,060 = 53,060 : x
  2. Step 2: Convert to fraction form
    39,383/53,060 = 53,060/x
  3. Step 3: Cross multiply
    39,383x = 53,060 × 53,060
  4. Step 4: Simplify right side
    39,383x = 2,815,363,600
  5. Step 5: Solve for x
    x = 2,815,363,600/39,383
  6. Step 6: Final answer
    x = 71,486.77

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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.