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Finding the Third Proportional to 15,036 and 33,080

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Solution

The third proportional to 15,036 and 33,080 is: 72,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036 : 33,080 = 33,080 : x
  2. Step 2: Convert to fraction form
    15,036/33,080 = 33,080/x
  3. Step 3: Cross multiply
    15,036x = 33,080 × 33,080
  4. Step 4: Simplify right side
    15,036x = 1,094,286,400
  5. Step 5: Solve for x
    x = 1,094,286,400/15,036
  6. Step 6: Final answer
    x = 72,777.76

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.