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Finding the Third Proportional to 259,932 and 558,543

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Solution

The third proportional to 259,932 and 558,543 is: 1,200,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,932 : 558,543 = 558,543 : x
  2. Step 2: Convert to fraction form
    259,932/558,543 = 558,543/x
  3. Step 3: Cross multiply
    259,932x = 558,543 × 558,543
  4. Step 4: Simplify right side
    259,932x = 311,970,282,849
  5. Step 5: Solve for x
    x = 311,970,282,849/259,932
  6. Step 6: Final answer
    x = 1,200,199.60

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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.