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Finding the Third Proportional to 211,936 and 297,048

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Solution

The third proportional to 211,936 and 297,048 is: 416,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,936 : 297,048 = 297,048 : x
  2. Step 2: Convert to fraction form
    211,936/297,048 = 297,048/x
  3. Step 3: Cross multiply
    211,936x = 297,048 × 297,048
  4. Step 4: Simplify right side
    211,936x = 88,237,514,304
  5. Step 5: Solve for x
    x = 88,237,514,304/211,936
  6. Step 6: Final answer
    x = 416,340.38

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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.