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Finding the Third Proportional to 9,578.25 and 12,873.94

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Solution

The third proportional to 9,578.25 and 12,873.94 is: 17,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.25 : 12,873.94 = 12,873.94 : x
  2. Step 2: Convert to fraction form
    9,578.25/12,873.94 = 12,873.94/x
  3. Step 3: Cross multiply
    9,578.25x = 12,873.94 × 12,873.94
  4. Step 4: Simplify right side
    9,578.25x = 165,738,266.75
  5. Step 5: Solve for x
    x = 165,738,266.75/9,578.25
  6. Step 6: Final answer
    x = 17,303.61

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.