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Finding the Third Proportional to 132,415 and 199,868

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Solution

The third proportional to 132,415 and 199,868 is: 301,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,415 : 199,868 = 199,868 : x
  2. Step 2: Convert to fraction form
    132,415/199,868 = 199,868/x
  3. Step 3: Cross multiply
    132,415x = 199,868 × 199,868
  4. Step 4: Simplify right side
    132,415x = 39,947,217,424
  5. Step 5: Solve for x
    x = 39,947,217,424/132,415
  6. Step 6: Final answer
    x = 301,681.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.