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Finding the Third Proportional to 439,326.28 and 913,644.56

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Solution

The third proportional to 439,326.28 and 913,644.56 is: 1,900,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,326.28 : 913,644.56 = 913,644.56 : x
  2. Step 2: Convert to fraction form
    439,326.28/913,644.56 = 913,644.56/x
  3. Step 3: Cross multiply
    439,326.28x = 913,644.56 × 913,644.56
  4. Step 4: Simplify right side
    439,326.28x = 834,746,386,585.82
  5. Step 5: Solve for x
    x = 834,746,386,585.82/439,326.28
  6. Step 6: Final answer
    x = 1,900,060.21

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.