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Finding the Third Proportional to 207,304 and 311,118

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Solution

The third proportional to 207,304 and 311,118 is: 466,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,304 : 311,118 = 311,118 : x
  2. Step 2: Convert to fraction form
    207,304/311,118 = 311,118/x
  3. Step 3: Cross multiply
    207,304x = 311,118 × 311,118
  4. Step 4: Simplify right side
    207,304x = 96,794,409,924
  5. Step 5: Solve for x
    x = 96,794,409,924/207,304
  6. Step 6: Final answer
    x = 466,920.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.