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Finding the Third Proportional to 412.59 and 880.88

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Solution

The third proportional to 412.59 and 880.88 is: 1,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.59 : 880.88 = 880.88 : x
  2. Step 2: Convert to fraction form
    412.59/880.88 = 880.88/x
  3. Step 3: Cross multiply
    412.59x = 880.88 × 880.88
  4. Step 4: Simplify right side
    412.59x = 775,940.77
  5. Step 5: Solve for x
    x = 775,940.77/412.59
  6. Step 6: Final answer
    x = 1,880.64

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.