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Finding the Third Proportional to 7,859.25 and 11,849.63

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Solution

The third proportional to 7,859.25 and 11,849.63 is: 17,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.25 : 11,849.63 = 11,849.63 : x
  2. Step 2: Convert to fraction form
    7,859.25/11,849.63 = 11,849.63/x
  3. Step 3: Cross multiply
    7,859.25x = 11,849.63 × 11,849.63
  4. Step 4: Simplify right side
    7,859.25x = 140,413,612.64
  5. Step 5: Solve for x
    x = 140,413,612.64/7,859.25
  6. Step 6: Final answer
    x = 17,866.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.