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Finding the Third Proportional to 77,703 and 170,226

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Solution

The third proportional to 77,703 and 170,226 is: 372,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,703 : 170,226 = 170,226 : x
  2. Step 2: Convert to fraction form
    77,703/170,226 = 170,226/x
  3. Step 3: Cross multiply
    77,703x = 170,226 × 170,226
  4. Step 4: Simplify right side
    77,703x = 28,976,891,076
  5. Step 5: Solve for x
    x = 28,976,891,076/77,703
  6. Step 6: Final answer
    x = 372,918.56

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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.