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Finding the Third Proportional to 104,890.50 and 161,317.88

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Solution

The third proportional to 104,890.50 and 161,317.88 is: 248,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,890.50 : 161,317.88 = 161,317.88 : x
  2. Step 2: Convert to fraction form
    104,890.50/161,317.88 = 161,317.88/x
  3. Step 3: Cross multiply
    104,890.50x = 161,317.88 × 161,317.88
  4. Step 4: Simplify right side
    104,890.50x = 26,023,456,794.52
  5. Step 5: Solve for x
    x = 26,023,456,794.52/104,890.50
  6. Step 6: Final answer
    x = 248,101.18

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.