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Finding the Third Proportional to 68,940 and 144,837

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Solution

The third proportional to 68,940 and 144,837 is: 304,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,940 : 144,837 = 144,837 : x
  2. Step 2: Convert to fraction form
    68,940/144,837 = 144,837/x
  3. Step 3: Cross multiply
    68,940x = 144,837 × 144,837
  4. Step 4: Simplify right side
    68,940x = 20,977,756,569
  5. Step 5: Solve for x
    x = 20,977,756,569/68,940
  6. Step 6: Final answer
    x = 304,290.06

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.