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Finding the Third Proportional to 63,153 and 138,759.75

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Solution

The third proportional to 63,153 and 138,759.75 is: 304,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,153 : 138,759.75 = 138,759.75 : x
  2. Step 2: Convert to fraction form
    63,153/138,759.75 = 138,759.75/x
  3. Step 3: Cross multiply
    63,153x = 138,759.75 × 138,759.75
  4. Step 4: Simplify right side
    63,153x = 19,254,268,220.06
  5. Step 5: Solve for x
    x = 19,254,268,220.06/63,153
  6. Step 6: Final answer
    x = 304,882.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.