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Finding the Third Proportional to 163,944 and 245,916

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Solution

The third proportional to 163,944 and 245,916 is: 368,874

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,944 : 245,916 = 245,916 : x
  2. Step 2: Convert to fraction form
    163,944/245,916 = 245,916/x
  3. Step 3: Cross multiply
    163,944x = 245,916 × 245,916
  4. Step 4: Simplify right side
    163,944x = 60,474,679,056
  5. Step 5: Solve for x
    x = 60,474,679,056/163,944
  6. Step 6: Final answer
    x = 368,874

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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.