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Finding the Third Proportional to 169,869 and 376,554

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Solution

The third proportional to 169,869 and 376,554 is: 834,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,869 : 376,554 = 376,554 : x
  2. Step 2: Convert to fraction form
    169,869/376,554 = 376,554/x
  3. Step 3: Cross multiply
    169,869x = 376,554 × 376,554
  4. Step 4: Simplify right side
    169,869x = 141,792,914,916
  5. Step 5: Solve for x
    x = 141,792,914,916/169,869
  6. Step 6: Final answer
    x = 834,719.19

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.