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Finding the Third Proportional to 200,045 and 472,218

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Solution

The third proportional to 200,045 and 472,218 is: 1,114,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,045 : 472,218 = 472,218 : x
  2. Step 2: Convert to fraction form
    200,045/472,218 = 472,218/x
  3. Step 3: Cross multiply
    200,045x = 472,218 × 472,218
  4. Step 4: Simplify right side
    200,045x = 222,989,839,524
  5. Step 5: Solve for x
    x = 222,989,839,524/200,045
  6. Step 6: Final answer
    x = 1,114,698.39

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.