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Finding the Third Proportional to 17,310 and 26,855

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Solution

The third proportional to 17,310 and 26,855 is: 41,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310 : 26,855 = 26,855 : x
  2. Step 2: Convert to fraction form
    17,310/26,855 = 26,855/x
  3. Step 3: Cross multiply
    17,310x = 26,855 × 26,855
  4. Step 4: Simplify right side
    17,310x = 721,191,025
  5. Step 5: Solve for x
    x = 721,191,025/17,310
  6. Step 6: Final answer
    x = 41,663.26

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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.