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Finding the Third Proportional to 8,154 and 9,409.50

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Solution

The third proportional to 8,154 and 9,409.50 is: 10,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154 : 9,409.50 = 9,409.50 : x
  2. Step 2: Convert to fraction form
    8,154/9,409.50 = 9,409.50/x
  3. Step 3: Cross multiply
    8,154x = 9,409.50 × 9,409.50
  4. Step 4: Simplify right side
    8,154x = 88,538,690.25
  5. Step 5: Solve for x
    x = 88,538,690.25/8,154
  6. Step 6: Final answer
    x = 10,858.31

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.