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Finding the Third Proportional to 9,128 and 13,367

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Solution

The third proportional to 9,128 and 13,367 is: 19,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128 : 13,367 = 13,367 : x
  2. Step 2: Convert to fraction form
    9,128/13,367 = 13,367/x
  3. Step 3: Cross multiply
    9,128x = 13,367 × 13,367
  4. Step 4: Simplify right side
    9,128x = 178,676,689
  5. Step 5: Solve for x
    x = 178,676,689/9,128
  6. Step 6: Final answer
    x = 19,574.57

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.