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Finding the Third Proportional to 43,716 and 67,206

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Solution

The third proportional to 43,716 and 67,206 is: 103,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,716 : 67,206 = 67,206 : x
  2. Step 2: Convert to fraction form
    43,716/67,206 = 67,206/x
  3. Step 3: Cross multiply
    43,716x = 67,206 × 67,206
  4. Step 4: Simplify right side
    43,716x = 4,516,646,436
  5. Step 5: Solve for x
    x = 4,516,646,436/43,716
  6. Step 6: Final answer
    x = 103,317.93

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.