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Finding the Third Proportional to 174,421 and 376,716

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Solution

The third proportional to 174,421 and 376,716 is: 813,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,421 : 376,716 = 376,716 : x
  2. Step 2: Convert to fraction form
    174,421/376,716 = 376,716/x
  3. Step 3: Cross multiply
    174,421x = 376,716 × 376,716
  4. Step 4: Simplify right side
    174,421x = 141,914,944,656
  5. Step 5: Solve for x
    x = 141,914,944,656/174,421
  6. Step 6: Final answer
    x = 813,634.51

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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.