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Finding the Third Proportional to 69,951.50 and 149,875

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Solution

The third proportional to 69,951.50 and 149,875 is: 321,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,951.50 : 149,875 = 149,875 : x
  2. Step 2: Convert to fraction form
    69,951.50/149,875 = 149,875/x
  3. Step 3: Cross multiply
    69,951.50x = 149,875 × 149,875
  4. Step 4: Simplify right side
    69,951.50x = 22,462,515,625
  5. Step 5: Solve for x
    x = 22,462,515,625/69,951.50
  6. Step 6: Final answer
    x = 321,115.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.