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Finding the Third Proportional to 141,853.50 and 215,727.75

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Solution

The third proportional to 141,853.50 and 215,727.75 is: 328,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,853.50 : 215,727.75 = 215,727.75 : x
  2. Step 2: Convert to fraction form
    141,853.50/215,727.75 = 215,727.75/x
  3. Step 3: Cross multiply
    141,853.50x = 215,727.75 × 215,727.75
  4. Step 4: Simplify right side
    141,853.50x = 46,538,462,120.06
  5. Step 5: Solve for x
    x = 46,538,462,120.06/141,853.50
  6. Step 6: Final answer
    x = 328,074.12

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.