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Finding the Third Proportional to 84,440 and 131,771

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Solution

The third proportional to 84,440 and 131,771 is: 205,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,440 : 131,771 = 131,771 : x
  2. Step 2: Convert to fraction form
    84,440/131,771 = 131,771/x
  3. Step 3: Cross multiply
    84,440x = 131,771 × 131,771
  4. Step 4: Simplify right side
    84,440x = 17,363,596,441
  5. Step 5: Solve for x
    x = 17,363,596,441/84,440
  6. Step 6: Final answer
    x = 205,632.36

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.