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Finding the Third Proportional to 38,791 and 83,771

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Solution

The third proportional to 38,791 and 83,771 is: 180,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,791 : 83,771 = 83,771 : x
  2. Step 2: Convert to fraction form
    38,791/83,771 = 83,771/x
  3. Step 3: Cross multiply
    38,791x = 83,771 × 83,771
  4. Step 4: Simplify right side
    38,791x = 7,017,580,441
  5. Step 5: Solve for x
    x = 7,017,580,441/38,791
  6. Step 6: Final answer
    x = 180,907.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.