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Finding the Third Proportional to 74,074 and 156,976

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Solution

The third proportional to 74,074 and 156,976 is: 332,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,074 : 156,976 = 156,976 : x
  2. Step 2: Convert to fraction form
    74,074/156,976 = 156,976/x
  3. Step 3: Cross multiply
    74,074x = 156,976 × 156,976
  4. Step 4: Simplify right side
    74,074x = 24,641,464,576
  5. Step 5: Solve for x
    x = 24,641,464,576/74,074
  6. Step 6: Final answer
    x = 332,660.10

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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.