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Finding the Third Proportional to 14,395 and 21,119

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Solution

The third proportional to 14,395 and 21,119 is: 30,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395 : 21,119 = 21,119 : x
  2. Step 2: Convert to fraction form
    14,395/21,119 = 21,119/x
  3. Step 3: Cross multiply
    14,395x = 21,119 × 21,119
  4. Step 4: Simplify right side
    14,395x = 446,012,161
  5. Step 5: Solve for x
    x = 446,012,161/14,395
  6. Step 6: Final answer
    x = 30,983.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.