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Finding the Third Proportional to 149,532 and 222,138

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Solution

The third proportional to 149,532 and 222,138 is: 329,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,532 : 222,138 = 222,138 : x
  2. Step 2: Convert to fraction form
    149,532/222,138 = 222,138/x
  3. Step 3: Cross multiply
    149,532x = 222,138 × 222,138
  4. Step 4: Simplify right side
    149,532x = 49,345,291,044
  5. Step 5: Solve for x
    x = 49,345,291,044/149,532
  6. Step 6: Final answer
    x = 329,998.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.