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Finding the Third Proportional to 112,146.75 and 159,958.13

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Solution

The third proportional to 112,146.75 and 159,958.13 is: 228,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,146.75 : 159,958.13 = 159,958.13 : x
  2. Step 2: Convert to fraction form
    112,146.75/159,958.13 = 159,958.13/x
  3. Step 3: Cross multiply
    112,146.75x = 159,958.13 × 159,958.13
  4. Step 4: Simplify right side
    112,146.75x = 25,586,601,753.52
  5. Step 5: Solve for x
    x = 25,586,601,753.52/112,146.75
  6. Step 6: Final answer
    x = 228,152.86

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.