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Finding the Third Proportional to 15,369.75 and 33,189.75

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Solution

The third proportional to 15,369.75 and 33,189.75 is: 71,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.75 : 33,189.75 = 33,189.75 : x
  2. Step 2: Convert to fraction form
    15,369.75/33,189.75 = 33,189.75/x
  3. Step 3: Cross multiply
    15,369.75x = 33,189.75 × 33,189.75
  4. Step 4: Simplify right side
    15,369.75x = 1,101,559,505.06
  5. Step 5: Solve for x
    x = 1,101,559,505.06/15,369.75
  6. Step 6: Final answer
    x = 71,670.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.