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Finding the Third Proportional to 9,435 and 13,108.50

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Solution

The third proportional to 9,435 and 13,108.50 is: 18,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435 : 13,108.50 = 13,108.50 : x
  2. Step 2: Convert to fraction form
    9,435/13,108.50 = 13,108.50/x
  3. Step 3: Cross multiply
    9,435x = 13,108.50 × 13,108.50
  4. Step 4: Simplify right side
    9,435x = 171,832,772.25
  5. Step 5: Solve for x
    x = 171,832,772.25/9,435
  6. Step 6: Final answer
    x = 18,212.27

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.