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Finding the Third Proportional to 6,471 and 11,205

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Solution

The third proportional to 6,471 and 11,205 is: 19,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471 : 11,205 = 11,205 : x
  2. Step 2: Convert to fraction form
    6,471/11,205 = 11,205/x
  3. Step 3: Cross multiply
    6,471x = 11,205 × 11,205
  4. Step 4: Simplify right side
    6,471x = 125,552,025
  5. Step 5: Solve for x
    x = 125,552,025/6,471
  6. Step 6: Final answer
    x = 19,402.26

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.