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Finding the Third Proportional to 174,531 and 376,911

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Solution

The third proportional to 174,531 and 376,911 is: 813,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,531 : 376,911 = 376,911 : x
  2. Step 2: Convert to fraction form
    174,531/376,911 = 376,911/x
  3. Step 3: Cross multiply
    174,531x = 376,911 × 376,911
  4. Step 4: Simplify right side
    174,531x = 142,061,901,921
  5. Step 5: Solve for x
    x = 142,061,901,921/174,531
  6. Step 6: Final answer
    x = 813,963.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.