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Finding the Third Proportional to 221,974.13 and 479,416.69

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Solution

The third proportional to 221,974.13 and 479,416.69 is: 1,035,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,974.13 : 479,416.69 = 479,416.69 : x
  2. Step 2: Convert to fraction form
    221,974.13/479,416.69 = 479,416.69/x
  3. Step 3: Cross multiply
    221,974.13x = 479,416.69 × 479,416.69
  4. Step 4: Simplify right side
    221,974.13x = 229,840,360,253.47
  5. Step 5: Solve for x
    x = 229,840,360,253.47/221,974.13
  6. Step 6: Final answer
    x = 1,035,437.62

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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.