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Finding the Third Proportional to 214,676 and 282,378

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Solution

The third proportional to 214,676 and 282,378 is: 371,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,676 : 282,378 = 282,378 : x
  2. Step 2: Convert to fraction form
    214,676/282,378 = 282,378/x
  3. Step 3: Cross multiply
    214,676x = 282,378 × 282,378
  4. Step 4: Simplify right side
    214,676x = 79,737,334,884
  5. Step 5: Solve for x
    x = 79,737,334,884/214,676
  6. Step 6: Final answer
    x = 371,431.06

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.