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Finding the Third Proportional to 1,076 and 2,255

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Solution

The third proportional to 1,076 and 2,255 is: 4,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076 : 2,255 = 2,255 : x
  2. Step 2: Convert to fraction form
    1,076/2,255 = 2,255/x
  3. Step 3: Cross multiply
    1,076x = 2,255 × 2,255
  4. Step 4: Simplify right side
    1,076x = 5,085,025
  5. Step 5: Solve for x
    x = 5,085,025/1,076
  6. Step 6: Final answer
    x = 4,725.86

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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.