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Finding the Third Proportional to 136,300.50 and 278,163

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Solution

The third proportional to 136,300.50 and 278,163 is: 567,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,300.50 : 278,163 = 278,163 : x
  2. Step 2: Convert to fraction form
    136,300.50/278,163 = 278,163/x
  3. Step 3: Cross multiply
    136,300.50x = 278,163 × 278,163
  4. Step 4: Simplify right side
    136,300.50x = 77,374,654,569
  5. Step 5: Solve for x
    x = 77,374,654,569/136,300.50
  6. Step 6: Final answer
    x = 567,676.97

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.