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Finding the Third Proportional to 5,681 and 11,119

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Solution

The third proportional to 5,681 and 11,119 is: 21,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681 : 11,119 = 11,119 : x
  2. Step 2: Convert to fraction form
    5,681/11,119 = 11,119/x
  3. Step 3: Cross multiply
    5,681x = 11,119 × 11,119
  4. Step 4: Simplify right side
    5,681x = 123,632,161
  5. Step 5: Solve for x
    x = 123,632,161/5,681
  6. Step 6: Final answer
    x = 21,762.39

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Why These Related Problems?

These problems maintain the same ratio (1.96) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.