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Finding the Third Proportional to 77,267.25 and 169,296.75

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Solution

The third proportional to 77,267.25 and 169,296.75 is: 370,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,267.25 : 169,296.75 = 169,296.75 : x
  2. Step 2: Convert to fraction form
    77,267.25/169,296.75 = 169,296.75/x
  3. Step 3: Cross multiply
    77,267.25x = 169,296.75 × 169,296.75
  4. Step 4: Simplify right side
    77,267.25x = 28,661,389,560.56
  5. Step 5: Solve for x
    x = 28,661,389,560.56/77,267.25
  6. Step 6: Final answer
    x = 370,938.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.