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Finding the Third Proportional to 18,836 and 29,808

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Solution

The third proportional to 18,836 and 29,808 is: 47,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836 : 29,808 = 29,808 : x
  2. Step 2: Convert to fraction form
    18,836/29,808 = 29,808/x
  3. Step 3: Cross multiply
    18,836x = 29,808 × 29,808
  4. Step 4: Simplify right side
    18,836x = 888,516,864
  5. Step 5: Solve for x
    x = 888,516,864/18,836
  6. Step 6: Final answer
    x = 47,171.21

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.