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Finding the Third Proportional to 54,340 and 120,344

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Solution

The third proportional to 54,340 and 120,344 is: 266,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,340 : 120,344 = 120,344 : x
  2. Step 2: Convert to fraction form
    54,340/120,344 = 120,344/x
  3. Step 3: Cross multiply
    54,340x = 120,344 × 120,344
  4. Step 4: Simplify right side
    54,340x = 14,482,678,336
  5. Step 5: Solve for x
    x = 14,482,678,336/54,340
  6. Step 6: Final answer
    x = 266,519.66

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.