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Finding the Third Proportional to 68,022 and 144,278

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Solution

The third proportional to 68,022 and 144,278 is: 306,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,022 : 144,278 = 144,278 : x
  2. Step 2: Convert to fraction form
    68,022/144,278 = 144,278/x
  3. Step 3: Cross multiply
    68,022x = 144,278 × 144,278
  4. Step 4: Simplify right side
    68,022x = 20,816,141,284
  5. Step 5: Solve for x
    x = 20,816,141,284/68,022
  6. Step 6: Final answer
    x = 306,020.72

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.