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Finding the Third Proportional to 168,288 and 362,880

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Solution

The third proportional to 168,288 and 362,880 is: 782,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,288 : 362,880 = 362,880 : x
  2. Step 2: Convert to fraction form
    168,288/362,880 = 362,880/x
  3. Step 3: Cross multiply
    168,288x = 362,880 × 362,880
  4. Step 4: Simplify right side
    168,288x = 131,681,894,400
  5. Step 5: Solve for x
    x = 131,681,894,400/168,288
  6. Step 6: Final answer
    x = 782,479.41

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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.