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Finding the Third Proportional to 84,234 and 181,587

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Solution

The third proportional to 84,234 and 181,587 is: 391,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,234 : 181,587 = 181,587 : x
  2. Step 2: Convert to fraction form
    84,234/181,587 = 181,587/x
  3. Step 3: Cross multiply
    84,234x = 181,587 × 181,587
  4. Step 4: Simplify right side
    84,234x = 32,973,838,569
  5. Step 5: Solve for x
    x = 32,973,838,569/84,234
  6. Step 6: Final answer
    x = 391,455.21

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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.