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Finding the Third Proportional to 181,222 and 266,493

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Solution

The third proportional to 181,222 and 266,493 is: 391,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,222 : 266,493 = 266,493 : x
  2. Step 2: Convert to fraction form
    181,222/266,493 = 266,493/x
  3. Step 3: Cross multiply
    181,222x = 266,493 × 266,493
  4. Step 4: Simplify right side
    181,222x = 71,018,519,049
  5. Step 5: Solve for x
    x = 71,018,519,049/181,222
  6. Step 6: Final answer
    x = 391,886.85

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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.