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Finding the Third Proportional to 14,124 and 21,102

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Solution

The third proportional to 14,124 and 21,102 is: 31,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124 : 21,102 = 21,102 : x
  2. Step 2: Convert to fraction form
    14,124/21,102 = 21,102/x
  3. Step 3: Cross multiply
    14,124x = 21,102 × 21,102
  4. Step 4: Simplify right side
    14,124x = 445,294,404
  5. Step 5: Solve for x
    x = 445,294,404/14,124
  6. Step 6: Final answer
    x = 31,527.50

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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.