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Finding the Third Proportional to 154,540 and 332,188

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Solution

The third proportional to 154,540 and 332,188 is: 714,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,540 : 332,188 = 332,188 : x
  2. Step 2: Convert to fraction form
    154,540/332,188 = 332,188/x
  3. Step 3: Cross multiply
    154,540x = 332,188 × 332,188
  4. Step 4: Simplify right side
    154,540x = 110,348,867,344
  5. Step 5: Solve for x
    x = 110,348,867,344/154,540
  6. Step 6: Final answer
    x = 714,047.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.