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Finding the Third Proportional to 3,888 and 9,969.50

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Solution

The third proportional to 3,888 and 9,969.50 is: 25,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888 : 9,969.50 = 9,969.50 : x
  2. Step 2: Convert to fraction form
    3,888/9,969.50 = 9,969.50/x
  3. Step 3: Cross multiply
    3,888x = 9,969.50 × 9,969.50
  4. Step 4: Simplify right side
    3,888x = 99,390,930.25
  5. Step 5: Solve for x
    x = 99,390,930.25/3,888
  6. Step 6: Final answer
    x = 25,563.51

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.