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Finding the Third Proportional to 5,318 and 10,901

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Solution

The third proportional to 5,318 and 10,901 is: 22,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318 : 10,901 = 10,901 : x
  2. Step 2: Convert to fraction form
    5,318/10,901 = 10,901/x
  3. Step 3: Cross multiply
    5,318x = 10,901 × 10,901
  4. Step 4: Simplify right side
    5,318x = 118,831,801
  5. Step 5: Solve for x
    x = 118,831,801/5,318
  6. Step 6: Final answer
    x = 22,345.21

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.