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Finding the Third Proportional to 174,420 and 376,714

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Solution

The third proportional to 174,420 and 376,714 is: 813,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,420 : 376,714 = 376,714 : x
  2. Step 2: Convert to fraction form
    174,420/376,714 = 376,714/x
  3. Step 3: Cross multiply
    174,420x = 376,714 × 376,714
  4. Step 4: Simplify right side
    174,420x = 141,913,437,796
  5. Step 5: Solve for x
    x = 141,913,437,796/174,420
  6. Step 6: Final answer
    x = 813,630.53

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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.