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Finding the Third Proportional to 13,128 and 27,426

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Solution

The third proportional to 13,128 and 27,426 is: 57,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,128 : 27,426 = 27,426 : x
  2. Step 2: Convert to fraction form
    13,128/27,426 = 27,426/x
  3. Step 3: Cross multiply
    13,128x = 27,426 × 27,426
  4. Step 4: Simplify right side
    13,128x = 752,185,476
  5. Step 5: Solve for x
    x = 752,185,476/13,128
  6. Step 6: Final answer
    x = 57,296.27

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.