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Finding the Third Proportional to 223,782 and 486,520

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Solution

The third proportional to 223,782 and 486,520 is: 1,057,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,782 : 486,520 = 486,520 : x
  2. Step 2: Convert to fraction form
    223,782/486,520 = 486,520/x
  3. Step 3: Cross multiply
    223,782x = 486,520 × 486,520
  4. Step 4: Simplify right side
    223,782x = 236,701,710,400
  5. Step 5: Solve for x
    x = 236,701,710,400/223,782
  6. Step 6: Final answer
    x = 1,057,733.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.