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Finding the Third Proportional to 21,658 and 48,918

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Solution

The third proportional to 21,658 and 48,918 is: 110,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658 : 48,918 = 48,918 : x
  2. Step 2: Convert to fraction form
    21,658/48,918 = 48,918/x
  3. Step 3: Cross multiply
    21,658x = 48,918 × 48,918
  4. Step 4: Simplify right side
    21,658x = 2,392,970,724
  5. Step 5: Solve for x
    x = 2,392,970,724/21,658
  6. Step 6: Final answer
    x = 110,489.00

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.