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Finding the Third Proportional to 76,072.50 and 162,321.75

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Solution

The third proportional to 76,072.50 and 162,321.75 is: 346,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,072.50 : 162,321.75 = 162,321.75 : x
  2. Step 2: Convert to fraction form
    76,072.50/162,321.75 = 162,321.75/x
  3. Step 3: Cross multiply
    76,072.50x = 162,321.75 × 162,321.75
  4. Step 4: Simplify right side
    76,072.50x = 26,348,350,523.06
  5. Step 5: Solve for x
    x = 26,348,350,523.06/76,072.50
  6. Step 6: Final answer
    x = 346,358.41

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.