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Finding the Third Proportional to 135,396.56 and 210,589.88

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Solution

The third proportional to 135,396.56 and 210,589.88 is: 327,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,396.56 : 210,589.88 = 210,589.88 : x
  2. Step 2: Convert to fraction form
    135,396.56/210,589.88 = 210,589.88/x
  3. Step 3: Cross multiply
    135,396.56x = 210,589.88 × 210,589.88
  4. Step 4: Simplify right side
    135,396.56x = 44,348,095,452.52
  5. Step 5: Solve for x
    x = 44,348,095,452.52/135,396.56
  6. Step 6: Final answer
    x = 327,542.26

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.