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Finding the Third Proportional to 63,888 and 100,236.75

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Solution

The third proportional to 63,888 and 100,236.75 is: 157,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,888 : 100,236.75 = 100,236.75 : x
  2. Step 2: Convert to fraction form
    63,888/100,236.75 = 100,236.75/x
  3. Step 3: Cross multiply
    63,888x = 100,236.75 × 100,236.75
  4. Step 4: Simplify right side
    63,888x = 10,047,406,050.56
  5. Step 5: Solve for x
    x = 10,047,406,050.56/63,888
  6. Step 6: Final answer
    x = 157,265.93

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.