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Finding the Third Proportional to 281,391 and 614,439

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Solution

The third proportional to 281,391 and 614,439 is: 1,341,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,391 : 614,439 = 614,439 : x
  2. Step 2: Convert to fraction form
    281,391/614,439 = 614,439/x
  3. Step 3: Cross multiply
    281,391x = 614,439 × 614,439
  4. Step 4: Simplify right side
    281,391x = 377,535,284,721
  5. Step 5: Solve for x
    x = 377,535,284,721/281,391
  6. Step 6: Final answer
    x = 1,341,675.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.