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Finding the Third Proportional to 147,438 and 222,378.75

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Solution

The third proportional to 147,438 and 222,378.75 is: 335,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,438 : 222,378.75 = 222,378.75 : x
  2. Step 2: Convert to fraction form
    147,438/222,378.75 = 222,378.75/x
  3. Step 3: Cross multiply
    147,438x = 222,378.75 × 222,378.75
  4. Step 4: Simplify right side
    147,438x = 49,452,308,451.56
  5. Step 5: Solve for x
    x = 49,452,308,451.56/147,438
  6. Step 6: Final answer
    x = 335,410.87

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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.