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Finding the Third Proportional to 9,910.50 and 13,590.13

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Solution

The third proportional to 9,910.50 and 13,590.13 is: 18,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.50 : 13,590.13 = 13,590.13 : x
  2. Step 2: Convert to fraction form
    9,910.50/13,590.13 = 13,590.13/x
  3. Step 3: Cross multiply
    9,910.50x = 13,590.13 × 13,590.13
  4. Step 4: Simplify right side
    9,910.50x = 184,691,497.52
  5. Step 5: Solve for x
    x = 184,691,497.52/9,910.50
  6. Step 6: Final answer
    x = 18,635.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.