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Finding the Third Proportional to 171,036.75 and 268,304.25

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Solution

The third proportional to 171,036.75 and 268,304.25 is: 420,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,036.75 : 268,304.25 = 268,304.25 : x
  2. Step 2: Convert to fraction form
    171,036.75/268,304.25 = 268,304.25/x
  3. Step 3: Cross multiply
    171,036.75x = 268,304.25 × 268,304.25
  4. Step 4: Simplify right side
    171,036.75x = 71,987,170,568.06
  5. Step 5: Solve for x
    x = 71,987,170,568.06/171,036.75
  6. Step 6: Final answer
    x = 420,887.15

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.