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Finding the Third Proportional to 154,248.75 and 338,568.75

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Solution

The third proportional to 154,248.75 and 338,568.75 is: 743,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,248.75 : 338,568.75 = 338,568.75 : x
  2. Step 2: Convert to fraction form
    154,248.75/338,568.75 = 338,568.75/x
  3. Step 3: Cross multiply
    154,248.75x = 338,568.75 × 338,568.75
  4. Step 4: Simplify right side
    154,248.75x = 114,628,798,476.56
  5. Step 5: Solve for x
    x = 114,628,798,476.56/154,248.75
  6. Step 6: Final answer
    x = 743,142.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.