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Finding the Third Proportional to 179,481 and 391,562

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Solution

The third proportional to 179,481 and 391,562 is: 854,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,481 : 391,562 = 391,562 : x
  2. Step 2: Convert to fraction form
    179,481/391,562 = 391,562/x
  3. Step 3: Cross multiply
    179,481x = 391,562 × 391,562
  4. Step 4: Simplify right side
    179,481x = 153,320,799,844
  5. Step 5: Solve for x
    x = 153,320,799,844/179,481
  6. Step 6: Final answer
    x = 854,245.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.