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Finding the Third Proportional to 818,489.25 and 1,785,654

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Solution

The third proportional to 818,489.25 and 1,785,654 is: 3,895,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,489.25 : 1,785,654 = 1,785,654 : x
  2. Step 2: Convert to fraction form
    818,489.25/1,785,654 = 1,785,654/x
  3. Step 3: Cross multiply
    818,489.25x = 1,785,654 × 1,785,654
  4. Step 4: Simplify right side
    818,489.25x = 3,188,560,207,716
  5. Step 5: Solve for x
    x = 3,188,560,207,716/818,489.25
  6. Step 6: Final answer
    x = 3,895,665.35

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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.