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Finding the Third Proportional to 141,203.67 and 215,118.28

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Solution

The third proportional to 141,203.67 and 215,118.28 is: 327,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,203.67 : 215,118.28 = 215,118.28 : x
  2. Step 2: Convert to fraction form
    141,203.67/215,118.28 = 215,118.28/x
  3. Step 3: Cross multiply
    141,203.67x = 215,118.28 × 215,118.28
  4. Step 4: Simplify right side
    141,203.67x = 46,275,874,927.95
  5. Step 5: Solve for x
    x = 46,275,874,927.95/141,203.67
  6. Step 6: Final answer
    x = 327,724.30

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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.