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Finding the Third Proportional to 73,649.25 and 161,770.50

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Solution

The third proportional to 73,649.25 and 161,770.50 is: 355,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,649.25 : 161,770.50 = 161,770.50 : x
  2. Step 2: Convert to fraction form
    73,649.25/161,770.50 = 161,770.50/x
  3. Step 3: Cross multiply
    73,649.25x = 161,770.50 × 161,770.50
  4. Step 4: Simplify right side
    73,649.25x = 26,169,694,670.25
  5. Step 5: Solve for x
    x = 26,169,694,670.25/73,649.25
  6. Step 6: Final answer
    x = 355,328.73

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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.