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Finding the Third Proportional to 111,556 and 169,948.75

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Solution

The third proportional to 111,556 and 169,948.75 is: 258,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,556 : 169,948.75 = 169,948.75 : x
  2. Step 2: Convert to fraction form
    111,556/169,948.75 = 169,948.75/x
  3. Step 3: Cross multiply
    111,556x = 169,948.75 × 169,948.75
  4. Step 4: Simplify right side
    111,556x = 28,882,577,626.56
  5. Step 5: Solve for x
    x = 28,882,577,626.56/111,556
  6. Step 6: Final answer
    x = 258,906.54

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.