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Finding the Third Proportional to 14,034 and 21,489

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Solution

The third proportional to 14,034 and 21,489 is: 32,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,034 : 21,489 = 21,489 : x
  2. Step 2: Convert to fraction form
    14,034/21,489 = 21,489/x
  3. Step 3: Cross multiply
    14,034x = 21,489 × 21,489
  4. Step 4: Simplify right side
    14,034x = 461,777,121
  5. Step 5: Solve for x
    x = 461,777,121/14,034
  6. Step 6: Final answer
    x = 32,904.17

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.