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Finding the Third Proportional to 149,260 and 231,102

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Solution

The third proportional to 149,260 and 231,102 is: 357,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,260 : 231,102 = 231,102 : x
  2. Step 2: Convert to fraction form
    149,260/231,102 = 231,102/x
  3. Step 3: Cross multiply
    149,260x = 231,102 × 231,102
  4. Step 4: Simplify right side
    149,260x = 53,408,134,404
  5. Step 5: Solve for x
    x = 53,408,134,404/149,260
  6. Step 6: Final answer
    x = 357,819.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.