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Finding the Third Proportional to 63,949 and 138,104

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Solution

The third proportional to 63,949 and 138,104 is: 298,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,949 : 138,104 = 138,104 : x
  2. Step 2: Convert to fraction form
    63,949/138,104 = 138,104/x
  3. Step 3: Cross multiply
    63,949x = 138,104 × 138,104
  4. Step 4: Simplify right side
    63,949x = 19,072,714,816
  5. Step 5: Solve for x
    x = 19,072,714,816/63,949
  6. Step 6: Final answer
    x = 298,248.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.