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Finding the Third Proportional to 201,229 and 282,019

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Solution

The third proportional to 201,229 and 282,019 is: 395,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,229 : 282,019 = 282,019 : x
  2. Step 2: Convert to fraction form
    201,229/282,019 = 282,019/x
  3. Step 3: Cross multiply
    201,229x = 282,019 × 282,019
  4. Step 4: Simplify right side
    201,229x = 79,534,716,361
  5. Step 5: Solve for x
    x = 79,534,716,361/201,229
  6. Step 6: Final answer
    x = 395,244.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.