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Finding the Third Proportional to 4,106.25 and 9,007.75

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Solution

The third proportional to 4,106.25 and 9,007.75 is: 19,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.25 : 9,007.75 = 9,007.75 : x
  2. Step 2: Convert to fraction form
    4,106.25/9,007.75 = 9,007.75/x
  3. Step 3: Cross multiply
    4,106.25x = 9,007.75 × 9,007.75
  4. Step 4: Simplify right side
    4,106.25x = 81,139,560.06
  5. Step 5: Solve for x
    x = 81,139,560.06/4,106.25
  6. Step 6: Final answer
    x = 19,760.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.