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Finding the Third Proportional to 17,528 and 27,750

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Solution

The third proportional to 17,528 and 27,750 is: 43,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,528 : 27,750 = 27,750 : x
  2. Step 2: Convert to fraction form
    17,528/27,750 = 27,750/x
  3. Step 3: Cross multiply
    17,528x = 27,750 × 27,750
  4. Step 4: Simplify right side
    17,528x = 770,062,500
  5. Step 5: Solve for x
    x = 770,062,500/17,528
  6. Step 6: Final answer
    x = 43,933.28

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.