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Finding the Third Proportional to 17,999.72 and 26,999.58

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Solution

The third proportional to 17,999.72 and 26,999.58 is: 40,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.72 : 26,999.58 = 26,999.58 : x
  2. Step 2: Convert to fraction form
    17,999.72/26,999.58 = 26,999.58/x
  3. Step 3: Cross multiply
    17,999.72x = 26,999.58 × 26,999.58
  4. Step 4: Simplify right side
    17,999.72x = 728,977,218.93
  5. Step 5: Solve for x
    x = 728,977,218.93/17,999.72
  6. Step 6: Final answer
    x = 40,499.37

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Similar ratio
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1.5x scale

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.