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Finding the Third Proportional to 15,330.94 and 33,081.19

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Solution

The third proportional to 15,330.94 and 33,081.19 is: 71,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.94 : 33,081.19 = 33,081.19 : x
  2. Step 2: Convert to fraction form
    15,330.94/33,081.19 = 33,081.19/x
  3. Step 3: Cross multiply
    15,330.94x = 33,081.19 × 33,081.19
  4. Step 4: Simplify right side
    15,330.94x = 1,094,364,966.41
  5. Step 5: Solve for x
    x = 1,094,364,966.41/15,330.94
  6. Step 6: Final answer
    x = 71,382.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.