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Finding the Third Proportional to 189,185 and 406,252

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Solution

The third proportional to 189,185 and 406,252 is: 872,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,185 : 406,252 = 406,252 : x
  2. Step 2: Convert to fraction form
    189,185/406,252 = 406,252/x
  3. Step 3: Cross multiply
    189,185x = 406,252 × 406,252
  4. Step 4: Simplify right side
    189,185x = 165,040,687,504
  5. Step 5: Solve for x
    x = 165,040,687,504/189,185
  6. Step 6: Final answer
    x = 872,377.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.