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Finding the Third Proportional to 9,983 and 15,661

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Solution

The third proportional to 9,983 and 15,661 is: 24,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983 : 15,661 = 15,661 : x
  2. Step 2: Convert to fraction form
    9,983/15,661 = 15,661/x
  3. Step 3: Cross multiply
    9,983x = 15,661 × 15,661
  4. Step 4: Simplify right side
    9,983x = 245,266,921
  5. Step 5: Solve for x
    x = 245,266,921/9,983
  6. Step 6: Final answer
    x = 24,568.46

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.