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Finding the Third Proportional to 174,429 and 376,739

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Solution

The third proportional to 174,429 and 376,739 is: 813,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,429 : 376,739 = 376,739 : x
  2. Step 2: Convert to fraction form
    174,429/376,739 = 376,739/x
  3. Step 3: Cross multiply
    174,429x = 376,739 × 376,739
  4. Step 4: Simplify right side
    174,429x = 141,932,274,121
  5. Step 5: Solve for x
    x = 141,932,274,121/174,429
  6. Step 6: Final answer
    x = 813,696.54

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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.