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Finding the Third Proportional to 71,667 and 167,353.50

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Solution

The third proportional to 71,667 and 167,353.50 is: 390,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,667 : 167,353.50 = 167,353.50 : x
  2. Step 2: Convert to fraction form
    71,667/167,353.50 = 167,353.50/x
  3. Step 3: Cross multiply
    71,667x = 167,353.50 × 167,353.50
  4. Step 4: Simplify right side
    71,667x = 28,007,193,962.25
  5. Step 5: Solve for x
    x = 28,007,193,962.25/71,667
  6. Step 6: Final answer
    x = 390,796.24

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.