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Finding the Third Proportional to 201,170 and 302,259

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Solution

The third proportional to 201,170 and 302,259 is: 454,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,170 : 302,259 = 302,259 : x
  2. Step 2: Convert to fraction form
    201,170/302,259 = 302,259/x
  3. Step 3: Cross multiply
    201,170x = 302,259 × 302,259
  4. Step 4: Simplify right side
    201,170x = 91,360,503,081
  5. Step 5: Solve for x
    x = 91,360,503,081/201,170
  6. Step 6: Final answer
    x = 454,145.76

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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.