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Finding the Third Proportional to 4,277.81 and 9,282.73

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Solution

The third proportional to 4,277.81 and 9,282.73 is: 20,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.81 : 9,282.73 = 9,282.73 : x
  2. Step 2: Convert to fraction form
    4,277.81/9,282.73 = 9,282.73/x
  3. Step 3: Cross multiply
    4,277.81x = 9,282.73 × 9,282.73
  4. Step 4: Simplify right side
    4,277.81x = 86,169,012.43
  5. Step 5: Solve for x
    x = 86,169,012.43/4,277.81
  6. Step 6: Final answer
    x = 20,143.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.