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Finding the Third Proportional to 13,637 and 21,263

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Solution

The third proportional to 13,637 and 21,263 is: 33,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637 : 21,263 = 21,263 : x
  2. Step 2: Convert to fraction form
    13,637/21,263 = 21,263/x
  3. Step 3: Cross multiply
    13,637x = 21,263 × 21,263
  4. Step 4: Simplify right side
    13,637x = 452,115,169
  5. Step 5: Solve for x
    x = 452,115,169/13,637
  6. Step 6: Final answer
    x = 33,153.57

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.