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Finding the Third Proportional to 33,405.75 and 53,271

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Solution

The third proportional to 33,405.75 and 53,271 is: 84,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,405.75 : 53,271 = 53,271 : x
  2. Step 2: Convert to fraction form
    33,405.75/53,271 = 53,271/x
  3. Step 3: Cross multiply
    33,405.75x = 53,271 × 53,271
  4. Step 4: Simplify right side
    33,405.75x = 2,837,799,441
  5. Step 5: Solve for x
    x = 2,837,799,441/33,405.75
  6. Step 6: Final answer
    x = 84,949.43

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.