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Finding the Third Proportional to 6,900 and 15,036

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Solution

The third proportional to 6,900 and 15,036 is: 32,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900 : 15,036 = 15,036 : x
  2. Step 2: Convert to fraction form
    6,900/15,036 = 15,036/x
  3. Step 3: Cross multiply
    6,900x = 15,036 × 15,036
  4. Step 4: Simplify right side
    6,900x = 226,081,296
  5. Step 5: Solve for x
    x = 226,081,296/6,900
  6. Step 6: Final answer
    x = 32,765.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.