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Finding the Third Proportional to 149,618 and 223,921

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Solution

The third proportional to 149,618 and 223,921 is: 335,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,618 : 223,921 = 223,921 : x
  2. Step 2: Convert to fraction form
    149,618/223,921 = 223,921/x
  3. Step 3: Cross multiply
    149,618x = 223,921 × 223,921
  4. Step 4: Simplify right side
    149,618x = 50,140,614,241
  5. Step 5: Solve for x
    x = 50,140,614,241/149,618
  6. Step 6: Final answer
    x = 335,124.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.