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Finding the Third Proportional to 105,115.50 and 251,239.50

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Solution

The third proportional to 105,115.50 and 251,239.50 is: 600,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,115.50 : 251,239.50 = 251,239.50 : x
  2. Step 2: Convert to fraction form
    105,115.50/251,239.50 = 251,239.50/x
  3. Step 3: Cross multiply
    105,115.50x = 251,239.50 × 251,239.50
  4. Step 4: Simplify right side
    105,115.50x = 63,121,286,360.25
  5. Step 5: Solve for x
    x = 63,121,286,360.25/105,115.50
  6. Step 6: Final answer
    x = 600,494.56

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.