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Finding the Third Proportional to 63,919 and 100,275

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Solution

The third proportional to 63,919 and 100,275 is: 157,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,919 : 100,275 = 100,275 : x
  2. Step 2: Convert to fraction form
    63,919/100,275 = 100,275/x
  3. Step 3: Cross multiply
    63,919x = 100,275 × 100,275
  4. Step 4: Simplify right side
    63,919x = 10,055,075,625
  5. Step 5: Solve for x
    x = 10,055,075,625/63,919
  6. Step 6: Final answer
    x = 157,309.65

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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.