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Finding the Third Proportional to 112,262.20 and 169,555.15

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Solution

The third proportional to 112,262.20 and 169,555.15 is: 256,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,262.20 : 169,555.15 = 169,555.15 : x
  2. Step 2: Convert to fraction form
    112,262.20/169,555.15 = 169,555.15/x
  3. Step 3: Cross multiply
    112,262.20x = 169,555.15 × 169,555.15
  4. Step 4: Simplify right side
    112,262.20x = 28,748,948,361.66
  5. Step 5: Solve for x
    x = 28,748,948,361.66/112,262.20
  6. Step 6: Final answer
    x = 256,087.51

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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.