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Finding the Third Proportional to 156,680 and 332,121

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Solution

The third proportional to 156,680 and 332,121 is: 704,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,680 : 332,121 = 332,121 : x
  2. Step 2: Convert to fraction form
    156,680/332,121 = 332,121/x
  3. Step 3: Cross multiply
    156,680x = 332,121 × 332,121
  4. Step 4: Simplify right side
    156,680x = 110,304,358,641
  5. Step 5: Solve for x
    x = 110,304,358,641/156,680
  6. Step 6: Final answer
    x = 704,010.46

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.