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Finding the Third Proportional to 3,113.44 and 8,102.53

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Solution

The third proportional to 3,113.44 and 8,102.53 is: 21,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.44 : 8,102.53 = 8,102.53 : x
  2. Step 2: Convert to fraction form
    3,113.44/8,102.53 = 8,102.53/x
  3. Step 3: Cross multiply
    3,113.44x = 8,102.53 × 8,102.53
  4. Step 4: Simplify right side
    3,113.44x = 65,651,012.66
  5. Step 5: Solve for x
    x = 65,651,012.66/3,113.44
  6. Step 6: Final answer
    x = 21,086.34

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Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.