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Finding the Third Proportional to 76,412.50 and 167,952

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Solution

The third proportional to 76,412.50 and 167,952 is: 369,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,412.50 : 167,952 = 167,952 : x
  2. Step 2: Convert to fraction form
    76,412.50/167,952 = 167,952/x
  3. Step 3: Cross multiply
    76,412.50x = 167,952 × 167,952
  4. Step 4: Simplify right side
    76,412.50x = 28,207,874,304
  5. Step 5: Solve for x
    x = 28,207,874,304/76,412.50
  6. Step 6: Final answer
    x = 369,152.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.