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Finding the Third Proportional to 147,291 and 225,216

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Solution

The third proportional to 147,291 and 225,216 is: 344,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,291 : 225,216 = 225,216 : x
  2. Step 2: Convert to fraction form
    147,291/225,216 = 225,216/x
  3. Step 3: Cross multiply
    147,291x = 225,216 × 225,216
  4. Step 4: Simplify right side
    147,291x = 50,722,246,656
  5. Step 5: Solve for x
    x = 50,722,246,656/147,291
  6. Step 6: Final answer
    x = 344,367.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.