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Finding the Third Proportional to 12,360.75 and 27,390.75

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Solution

The third proportional to 12,360.75 and 27,390.75 is: 60,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.75 : 27,390.75 = 27,390.75 : x
  2. Step 2: Convert to fraction form
    12,360.75/27,390.75 = 27,390.75/x
  3. Step 3: Cross multiply
    12,360.75x = 27,390.75 × 27,390.75
  4. Step 4: Simplify right side
    12,360.75x = 750,253,185.56
  5. Step 5: Solve for x
    x = 750,253,185.56/12,360.75
  6. Step 6: Final answer
    x = 60,696.41

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.