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Finding the Third Proportional to 485,596 and 990,452

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Solution

The third proportional to 485,596 and 990,452 is: 2,020,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,596 : 990,452 = 990,452 : x
  2. Step 2: Convert to fraction form
    485,596/990,452 = 990,452/x
  3. Step 3: Cross multiply
    485,596x = 990,452 × 990,452
  4. Step 4: Simplify right side
    485,596x = 980,995,164,304
  5. Step 5: Solve for x
    x = 980,995,164,304/485,596
  6. Step 6: Final answer
    x = 2,020,187.90

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.