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Finding the Third Proportional to 18,168 and 19,464

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Solution

The third proportional to 18,168 and 19,464 is: 20,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168 : 19,464 = 19,464 : x
  2. Step 2: Convert to fraction form
    18,168/19,464 = 19,464/x
  3. Step 3: Cross multiply
    18,168x = 19,464 × 19,464
  4. Step 4: Simplify right side
    18,168x = 378,847,296
  5. Step 5: Solve for x
    x = 378,847,296/18,168
  6. Step 6: Final answer
    x = 20,852.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.