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Finding the Third Proportional to 68,508 and 148,662

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Solution

The third proportional to 68,508 and 148,662 is: 322,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,508 : 148,662 = 148,662 : x
  2. Step 2: Convert to fraction form
    68,508/148,662 = 148,662/x
  3. Step 3: Cross multiply
    68,508x = 148,662 × 148,662
  4. Step 4: Simplify right side
    68,508x = 22,100,390,244
  5. Step 5: Solve for x
    x = 22,100,390,244/68,508
  6. Step 6: Final answer
    x = 322,595.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.