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Finding the Third Proportional to 74,221.88 and 161,764.13

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Solution

The third proportional to 74,221.88 and 161,764.13 is: 352,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,221.88 : 161,764.13 = 161,764.13 : x
  2. Step 2: Convert to fraction form
    74,221.88/161,764.13 = 161,764.13/x
  3. Step 3: Cross multiply
    74,221.88x = 161,764.13 × 161,764.13
  4. Step 4: Simplify right side
    74,221.88x = 26,167,632,137.02
  5. Step 5: Solve for x
    x = 26,167,632,137.02/74,221.88
  6. Step 6: Final answer
    x = 352,559.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.