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Finding the Third Proportional to 439,149 and 958,620

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Solution

The third proportional to 439,149 and 958,620 is: 2,092,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,149 : 958,620 = 958,620 : x
  2. Step 2: Convert to fraction form
    439,149/958,620 = 958,620/x
  3. Step 3: Cross multiply
    439,149x = 958,620 × 958,620
  4. Step 4: Simplify right side
    439,149x = 918,952,304,400
  5. Step 5: Solve for x
    x = 918,952,304,400/439,149
  6. Step 6: Final answer
    x = 2,092,575.20

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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.