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Finding the Third Proportional to 4,129.31 and 8,550.56

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Solution

The third proportional to 4,129.31 and 8,550.56 is: 17,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.31 : 8,550.56 = 8,550.56 : x
  2. Step 2: Convert to fraction form
    4,129.31/8,550.56 = 8,550.56/x
  3. Step 3: Cross multiply
    4,129.31x = 8,550.56 × 8,550.56
  4. Step 4: Simplify right side
    4,129.31x = 73,112,119.07
  5. Step 5: Solve for x
    x = 73,112,119.07/4,129.31
  6. Step 6: Final answer
    x = 17,705.64

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.