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Finding the Third Proportional to 122,289.75 and 185,145.75

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Solution

The third proportional to 122,289.75 and 185,145.75 is: 280,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,289.75 : 185,145.75 = 185,145.75 : x
  2. Step 2: Convert to fraction form
    122,289.75/185,145.75 = 185,145.75/x
  3. Step 3: Cross multiply
    122,289.75x = 185,145.75 × 185,145.75
  4. Step 4: Simplify right side
    122,289.75x = 34,278,948,743.06
  5. Step 5: Solve for x
    x = 34,278,948,743.06/122,289.75
  6. Step 6: Final answer
    x = 280,309.26

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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.