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Finding the Third Proportional to 67,797 and 137,507.63

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Solution

The third proportional to 67,797 and 137,507.63 is: 278,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,797 : 137,507.63 = 137,507.63 : x
  2. Step 2: Convert to fraction form
    67,797/137,507.63 = 137,507.63/x
  3. Step 3: Cross multiply
    67,797x = 137,507.63 × 137,507.63
  4. Step 4: Simplify right side
    67,797x = 18,908,346,933.14
  5. Step 5: Solve for x
    x = 18,908,346,933.14/67,797
  6. Step 6: Final answer
    x = 278,896.51

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.