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Finding the Third Proportional to 15,344 and 17,072

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Solution

The third proportional to 15,344 and 17,072 is: 18,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344 : 17,072 = 17,072 : x
  2. Step 2: Convert to fraction form
    15,344/17,072 = 17,072/x
  3. Step 3: Cross multiply
    15,344x = 17,072 × 17,072
  4. Step 4: Simplify right side
    15,344x = 291,453,184
  5. Step 5: Solve for x
    x = 291,453,184/15,344
  6. Step 6: Final answer
    x = 18,994.60

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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.