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Finding the Third Proportional to 13,126 and 19,738

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Solution

The third proportional to 13,126 and 19,738 is: 29,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126 : 19,738 = 19,738 : x
  2. Step 2: Convert to fraction form
    13,126/19,738 = 19,738/x
  3. Step 3: Cross multiply
    13,126x = 19,738 × 19,738
  4. Step 4: Simplify right side
    13,126x = 389,588,644
  5. Step 5: Solve for x
    x = 389,588,644/13,126
  6. Step 6: Final answer
    x = 29,680.68

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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.