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Finding the Third Proportional to 15,290 and 33,028

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Solution

The third proportional to 15,290 and 33,028 is: 71,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290 : 33,028 = 33,028 : x
  2. Step 2: Convert to fraction form
    15,290/33,028 = 33,028/x
  3. Step 3: Cross multiply
    15,290x = 33,028 × 33,028
  4. Step 4: Simplify right side
    15,290x = 1,090,848,784
  5. Step 5: Solve for x
    x = 1,090,848,784/15,290
  6. Step 6: Final answer
    x = 71,343.94

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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.