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Finding the Third Proportional to 8,994 and 13,411

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Solution

The third proportional to 8,994 and 13,411 is: 19,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994 : 13,411 = 13,411 : x
  2. Step 2: Convert to fraction form
    8,994/13,411 = 13,411/x
  3. Step 3: Cross multiply
    8,994x = 13,411 × 13,411
  4. Step 4: Simplify right side
    8,994x = 179,854,921
  5. Step 5: Solve for x
    x = 179,854,921/8,994
  6. Step 6: Final answer
    x = 19,997.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.