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Finding the Third Proportional to 15,828 and 17,492

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Solution

The third proportional to 15,828 and 17,492 is: 19,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828 : 17,492 = 17,492 : x
  2. Step 2: Convert to fraction form
    15,828/17,492 = 17,492/x
  3. Step 3: Cross multiply
    15,828x = 17,492 × 17,492
  4. Step 4: Simplify right side
    15,828x = 305,970,064
  5. Step 5: Solve for x
    x = 305,970,064/15,828
  6. Step 6: Final answer
    x = 19,330.94

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.