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Finding the Third Proportional to 19,218 and 41,718

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Solution

The third proportional to 19,218 and 41,718 is: 90,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218 : 41,718 = 41,718 : x
  2. Step 2: Convert to fraction form
    19,218/41,718 = 41,718/x
  3. Step 3: Cross multiply
    19,218x = 41,718 × 41,718
  4. Step 4: Simplify right side
    19,218x = 1,740,391,524
  5. Step 5: Solve for x
    x = 1,740,391,524/19,218
  6. Step 6: Final answer
    x = 90,560.49

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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.