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Finding the Third Proportional to 12,556 and 18,797

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Solution

The third proportional to 12,556 and 18,797 is: 28,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556 : 18,797 = 18,797 : x
  2. Step 2: Convert to fraction form
    12,556/18,797 = 18,797/x
  3. Step 3: Cross multiply
    12,556x = 18,797 × 18,797
  4. Step 4: Simplify right side
    12,556x = 353,327,209
  5. Step 5: Solve for x
    x = 353,327,209/12,556
  6. Step 6: Final answer
    x = 28,140.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.