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Finding the Third Proportional to 19,563 and 41,286

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Solution

The third proportional to 19,563 and 41,286 is: 87,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563 : 41,286 = 41,286 : x
  2. Step 2: Convert to fraction form
    19,563/41,286 = 41,286/x
  3. Step 3: Cross multiply
    19,563x = 41,286 × 41,286
  4. Step 4: Simplify right side
    19,563x = 1,704,533,796
  5. Step 5: Solve for x
    x = 1,704,533,796/19,563
  6. Step 6: Final answer
    x = 87,130.49

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.