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Finding the Third Proportional to 6,889 and 15,007

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Solution

The third proportional to 6,889 and 15,007 is: 32,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889 : 15,007 = 15,007 : x
  2. Step 2: Convert to fraction form
    6,889/15,007 = 15,007/x
  3. Step 3: Cross multiply
    6,889x = 15,007 × 15,007
  4. Step 4: Simplify right side
    6,889x = 225,210,049
  5. Step 5: Solve for x
    x = 225,210,049/6,889
  6. Step 6: Final answer
    x = 32,691.25

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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.