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Finding the Third Proportional to 377.16 and 792.28

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Solution

The third proportional to 377.16 and 792.28 is: 1,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.16 : 792.28 = 792.28 : x
  2. Step 2: Convert to fraction form
    377.16/792.28 = 792.28/x
  3. Step 3: Cross multiply
    377.16x = 792.28 × 792.28
  4. Step 4: Simplify right side
    377.16x = 627,709.58
  5. Step 5: Solve for x
    x = 627,709.58/377.16
  6. Step 6: Final answer
    x = 1,664.32

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.