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Finding the Third Proportional to 243,164 and 523,782

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Solution

The third proportional to 243,164 and 523,782 is: 1,128,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,164 : 523,782 = 523,782 : x
  2. Step 2: Convert to fraction form
    243,164/523,782 = 523,782/x
  3. Step 3: Cross multiply
    243,164x = 523,782 × 523,782
  4. Step 4: Simplify right side
    243,164x = 274,347,583,524
  5. Step 5: Solve for x
    x = 274,347,583,524/243,164
  6. Step 6: Final answer
    x = 1,128,240.95

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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.