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Finding the Third Proportional to 87,483.38 and 135,720.56

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Solution

The third proportional to 87,483.38 and 135,720.56 is: 210,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,483.38 : 135,720.56 = 135,720.56 : x
  2. Step 2: Convert to fraction form
    87,483.38/135,720.56 = 135,720.56/x
  3. Step 3: Cross multiply
    87,483.38x = 135,720.56 × 135,720.56
  4. Step 4: Simplify right side
    87,483.38x = 18,420,071,085.32
  5. Step 5: Solve for x
    x = 18,420,071,085.32/87,483.38
  6. Step 6: Final answer
    x = 210,555.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.