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Finding the Third Proportional to 183,478 and 274,364

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Solution

The third proportional to 183,478 and 274,364 is: 410,270.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,478 : 274,364 = 274,364 : x
  2. Step 2: Convert to fraction form
    183,478/274,364 = 274,364/x
  3. Step 3: Cross multiply
    183,478x = 274,364 × 274,364
  4. Step 4: Simplify right side
    183,478x = 75,275,604,496
  5. Step 5: Solve for x
    x = 75,275,604,496/183,478
  6. Step 6: Final answer
    x = 410,270.47

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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.