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Finding the Third Proportional to 245,916 and 368,874

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Solution

The third proportional to 245,916 and 368,874 is: 553,311

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,916 : 368,874 = 368,874 : x
  2. Step 2: Convert to fraction form
    245,916/368,874 = 368,874/x
  3. Step 3: Cross multiply
    245,916x = 368,874 × 368,874
  4. Step 4: Simplify right side
    245,916x = 136,068,027,876
  5. Step 5: Solve for x
    x = 136,068,027,876/245,916
  6. Step 6: Final answer
    x = 553,311

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.