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Finding the Third Proportional to 149,719.50 and 220,204.13

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Solution

The third proportional to 149,719.50 and 220,204.13 is: 323,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,719.50 : 220,204.13 = 220,204.13 : x
  2. Step 2: Convert to fraction form
    149,719.50/220,204.13 = 220,204.13/x
  3. Step 3: Cross multiply
    149,719.50x = 220,204.13 × 220,204.13
  4. Step 4: Simplify right side
    149,719.50x = 48,489,856,667.02
  5. Step 5: Solve for x
    x = 48,489,856,667.02/149,719.50
  6. Step 6: Final answer
    x = 323,871.35

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.