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Finding the Third Proportional to 268,188 and 558,624

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Solution

The third proportional to 268,188 and 558,624 is: 1,163,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,188 : 558,624 = 558,624 : x
  2. Step 2: Convert to fraction form
    268,188/558,624 = 558,624/x
  3. Step 3: Cross multiply
    268,188x = 558,624 × 558,624
  4. Step 4: Simplify right side
    268,188x = 312,060,773,376
  5. Step 5: Solve for x
    x = 312,060,773,376/268,188
  6. Step 6: Final answer
    x = 1,163,589.62

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.