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Finding the Third Proportional to 439,487.44 and 891,200.81

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Solution

The third proportional to 439,487.44 and 891,200.81 is: 1,807,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,487.44 : 891,200.81 = 891,200.81 : x
  2. Step 2: Convert to fraction form
    439,487.44/891,200.81 = 891,200.81/x
  3. Step 3: Cross multiply
    439,487.44x = 891,200.81 × 891,200.81
  4. Step 4: Simplify right side
    439,487.44x = 794,238,888,200.66
  5. Step 5: Solve for x
    x = 794,238,888,200.66/439,487.44
  6. Step 6: Final answer
    x = 1,807,193.61

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.