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Finding the Third Proportional to 127,868 and 189,323

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Solution

The third proportional to 127,868 and 189,323 is: 280,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,868 : 189,323 = 189,323 : x
  2. Step 2: Convert to fraction form
    127,868/189,323 = 189,323/x
  3. Step 3: Cross multiply
    127,868x = 189,323 × 189,323
  4. Step 4: Simplify right side
    127,868x = 35,843,198,329
  5. Step 5: Solve for x
    x = 35,843,198,329/127,868
  6. Step 6: Final answer
    x = 280,314.06

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.