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Finding the Third Proportional to 120,544 and 262,520

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Solution

The third proportional to 120,544 and 262,520 is: 571,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,544 : 262,520 = 262,520 : x
  2. Step 2: Convert to fraction form
    120,544/262,520 = 262,520/x
  3. Step 3: Cross multiply
    120,544x = 262,520 × 262,520
  4. Step 4: Simplify right side
    120,544x = 68,916,750,400
  5. Step 5: Solve for x
    x = 68,916,750,400/120,544
  6. Step 6: Final answer
    x = 571,714.48

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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.