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Finding the Third Proportional to 8,805 and 13,208.25

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Solution

The third proportional to 8,805 and 13,208.25 is: 19,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805 : 13,208.25 = 13,208.25 : x
  2. Step 2: Convert to fraction form
    8,805/13,208.25 = 13,208.25/x
  3. Step 3: Cross multiply
    8,805x = 13,208.25 × 13,208.25
  4. Step 4: Simplify right side
    8,805x = 174,457,868.06
  5. Step 5: Solve for x
    x = 174,457,868.06/8,805
  6. Step 6: Final answer
    x = 19,813.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.