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Finding the Third Proportional to 8,631.56 and 9,603.56

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Solution

The third proportional to 8,631.56 and 9,603.56 is: 10,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.56 : 9,603.56 = 9,603.56 : x
  2. Step 2: Convert to fraction form
    8,631.56/9,603.56 = 9,603.56/x
  3. Step 3: Cross multiply
    8,631.56x = 9,603.56 × 9,603.56
  4. Step 4: Simplify right side
    8,631.56x = 92,228,412.69
  5. Step 5: Solve for x
    x = 92,228,412.69/8,631.56
  6. Step 6: Final answer
    x = 10,685.02

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.