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Finding the Third Proportional to 4,571.25 and 9,986.25

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Solution

The third proportional to 4,571.25 and 9,986.25 is: 21,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.25 : 9,986.25 = 9,986.25 : x
  2. Step 2: Convert to fraction form
    4,571.25/9,986.25 = 9,986.25/x
  3. Step 3: Cross multiply
    4,571.25x = 9,986.25 × 9,986.25
  4. Step 4: Simplify right side
    4,571.25x = 99,725,189.06
  5. Step 5: Solve for x
    x = 99,725,189.06/4,571.25
  6. Step 6: Final answer
    x = 21,815.74

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.