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Finding the Third Proportional to 18,400 and 26,208

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Solution

The third proportional to 18,400 and 26,208 is: 37,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400 : 26,208 = 26,208 : x
  2. Step 2: Convert to fraction form
    18,400/26,208 = 26,208/x
  3. Step 3: Cross multiply
    18,400x = 26,208 × 26,208
  4. Step 4: Simplify right side
    18,400x = 686,859,264
  5. Step 5: Solve for x
    x = 686,859,264/18,400
  6. Step 6: Final answer
    x = 37,329.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.