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Finding the Third Proportional to 3,955.08 and 8,694.84

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Solution

The third proportional to 3,955.08 and 8,694.84 is: 19,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.08 : 8,694.84 = 8,694.84 : x
  2. Step 2: Convert to fraction form
    3,955.08/8,694.84 = 8,694.84/x
  3. Step 3: Cross multiply
    3,955.08x = 8,694.84 × 8,694.84
  4. Step 4: Simplify right side
    3,955.08x = 75,600,307.84
  5. Step 5: Solve for x
    x = 75,600,307.84/3,955.08
  6. Step 6: Final answer
    x = 19,114.74

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.