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Finding the Third Proportional to 8,553 and 18,537

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Solution

The third proportional to 8,553 and 18,537 is: 40,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553 : 18,537 = 18,537 : x
  2. Step 2: Convert to fraction form
    8,553/18,537 = 18,537/x
  3. Step 3: Cross multiply
    8,553x = 18,537 × 18,537
  4. Step 4: Simplify right side
    8,553x = 343,620,369
  5. Step 5: Solve for x
    x = 343,620,369/8,553
  6. Step 6: Final answer
    x = 40,175.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.