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Finding the Third Proportional to 77,235 and 169,231

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Solution

The third proportional to 77,235 and 169,231 is: 370,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,235 : 169,231 = 169,231 : x
  2. Step 2: Convert to fraction form
    77,235/169,231 = 169,231/x
  3. Step 3: Cross multiply
    77,235x = 169,231 × 169,231
  4. Step 4: Simplify right side
    77,235x = 28,639,131,361
  5. Step 5: Solve for x
    x = 28,639,131,361/77,235
  6. Step 6: Final answer
    x = 370,805.09

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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.