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Finding the Third Proportional to 13,324 and 21,237

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Solution

The third proportional to 13,324 and 21,237 is: 33,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324 : 21,237 = 21,237 : x
  2. Step 2: Convert to fraction form
    13,324/21,237 = 21,237/x
  3. Step 3: Cross multiply
    13,324x = 21,237 × 21,237
  4. Step 4: Simplify right side
    13,324x = 451,010,169
  5. Step 5: Solve for x
    x = 451,010,169/13,324
  6. Step 6: Final answer
    x = 33,849.46

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.