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Finding the Third Proportional to 112,632.75 and 157,467.38

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Solution

The third proportional to 112,632.75 and 157,467.38 is: 220,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,632.75 : 157,467.38 = 157,467.38 : x
  2. Step 2: Convert to fraction form
    112,632.75/157,467.38 = 157,467.38/x
  3. Step 3: Cross multiply
    112,632.75x = 157,467.38 × 157,467.38
  4. Step 4: Simplify right side
    112,632.75x = 24,795,974,189.39
  5. Step 5: Solve for x
    x = 24,795,974,189.39/112,632.75
  6. Step 6: Final answer
    x = 220,148.88

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.