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Finding the Third Proportional to 211,968 and 297,092

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Solution

The third proportional to 211,968 and 297,092 is: 416,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,968 : 297,092 = 297,092 : x
  2. Step 2: Convert to fraction form
    211,968/297,092 = 297,092/x
  3. Step 3: Cross multiply
    211,968x = 297,092 × 297,092
  4. Step 4: Simplify right side
    211,968x = 88,263,656,464
  5. Step 5: Solve for x
    x = 88,263,656,464/211,968
  6. Step 6: Final answer
    x = 416,400.86

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.