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Finding the Third Proportional to 112,919.06 and 169,393.78

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Solution

The third proportional to 112,919.06 and 169,393.78 is: 254,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,919.06 : 169,393.78 = 169,393.78 : x
  2. Step 2: Convert to fraction form
    112,919.06/169,393.78 = 169,393.78/x
  3. Step 3: Cross multiply
    112,919.06x = 169,393.78 × 169,393.78
  4. Step 4: Simplify right side
    112,919.06x = 28,694,253,126.17
  5. Step 5: Solve for x
    x = 28,694,253,126.17/112,919.06
  6. Step 6: Final answer
    x = 254,113.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.