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Finding the Third Proportional to 439,040 and 958,432

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Solution

The third proportional to 439,040 and 958,432 is: 2,092,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,040 : 958,432 = 958,432 : x
  2. Step 2: Convert to fraction form
    439,040/958,432 = 958,432/x
  3. Step 3: Cross multiply
    439,040x = 958,432 × 958,432
  4. Step 4: Simplify right side
    439,040x = 918,591,898,624
  5. Step 5: Solve for x
    x = 918,591,898,624/439,040
  6. Step 6: Final answer
    x = 2,092,273.82

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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.