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Finding the Third Proportional to 81,575.50 and 167,543

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Solution

The third proportional to 81,575.50 and 167,543 is: 344,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,575.50 : 167,543 = 167,543 : x
  2. Step 2: Convert to fraction form
    81,575.50/167,543 = 167,543/x
  3. Step 3: Cross multiply
    81,575.50x = 167,543 × 167,543
  4. Step 4: Simplify right side
    81,575.50x = 28,070,656,849
  5. Step 5: Solve for x
    x = 28,070,656,849/81,575.50
  6. Step 6: Final answer
    x = 344,106.46

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.