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Finding the Third Proportional to 10,988 and 17,029

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Solution

The third proportional to 10,988 and 17,029 is: 26,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988 : 17,029 = 17,029 : x
  2. Step 2: Convert to fraction form
    10,988/17,029 = 17,029/x
  3. Step 3: Cross multiply
    10,988x = 17,029 × 17,029
  4. Step 4: Simplify right side
    10,988x = 289,986,841
  5. Step 5: Solve for x
    x = 289,986,841/10,988
  6. Step 6: Final answer
    x = 26,391.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.