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Finding the Third Proportional to 439,414.88 and 663,835.50

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Solution

The third proportional to 439,414.88 and 663,835.50 is: 1,002,873.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,414.88 : 663,835.50 = 663,835.50 : x
  2. Step 2: Convert to fraction form
    439,414.88/663,835.50 = 663,835.50/x
  3. Step 3: Cross multiply
    439,414.88x = 663,835.50 × 663,835.50
  4. Step 4: Simplify right side
    439,414.88x = 440,677,571,060.25
  5. Step 5: Solve for x
    x = 440,677,571,060.25/439,414.88
  6. Step 6: Final answer
    x = 1,002,873.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.