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Finding the Third Proportional to 11,715 and 16,779

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Solution

The third proportional to 11,715 and 16,779 is: 24,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715 : 16,779 = 16,779 : x
  2. Step 2: Convert to fraction form
    11,715/16,779 = 16,779/x
  3. Step 3: Cross multiply
    11,715x = 16,779 × 16,779
  4. Step 4: Simplify right side
    11,715x = 281,534,841
  5. Step 5: Solve for x
    x = 281,534,841/11,715
  6. Step 6: Final answer
    x = 24,032.00

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.