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Finding the Third Proportional to 62,311.50 and 135,140.25

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Solution

The third proportional to 62,311.50 and 135,140.25 is: 293,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,311.50 : 135,140.25 = 135,140.25 : x
  2. Step 2: Convert to fraction form
    62,311.50/135,140.25 = 135,140.25/x
  3. Step 3: Cross multiply
    62,311.50x = 135,140.25 × 135,140.25
  4. Step 4: Simplify right side
    62,311.50x = 18,262,887,170.06
  5. Step 5: Solve for x
    x = 18,262,887,170.06/62,311.50
  6. Step 6: Final answer
    x = 293,090.15

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.