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Finding the Third Proportional to 302,306.25 and 659,874

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Solution

The third proportional to 302,306.25 and 659,874 is: 1,440,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,306.25 : 659,874 = 659,874 : x
  2. Step 2: Convert to fraction form
    302,306.25/659,874 = 659,874/x
  3. Step 3: Cross multiply
    302,306.25x = 659,874 × 659,874
  4. Step 4: Simplify right side
    302,306.25x = 435,433,695,876
  5. Step 5: Solve for x
    x = 435,433,695,876/302,306.25
  6. Step 6: Final answer
    x = 1,440,372.79

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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.