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Finding the Third Proportional to 36,450 and 78,952

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Solution

The third proportional to 36,450 and 78,952 is: 171,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,450 : 78,952 = 78,952 : x
  2. Step 2: Convert to fraction form
    36,450/78,952 = 78,952/x
  3. Step 3: Cross multiply
    36,450x = 78,952 × 78,952
  4. Step 4: Simplify right side
    36,450x = 6,233,418,304
  5. Step 5: Solve for x
    x = 6,233,418,304/36,450
  6. Step 6: Final answer
    x = 171,012.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.