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Finding the Third Proportional to 112,405.50 and 169,350.75

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Solution

The third proportional to 112,405.50 and 169,350.75 is: 255,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,405.50 : 169,350.75 = 169,350.75 : x
  2. Step 2: Convert to fraction form
    112,405.50/169,350.75 = 169,350.75/x
  3. Step 3: Cross multiply
    112,405.50x = 169,350.75 × 169,350.75
  4. Step 4: Simplify right side
    112,405.50x = 28,679,676,525.56
  5. Step 5: Solve for x
    x = 28,679,676,525.56/112,405.50
  6. Step 6: Final answer
    x = 255,144.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.