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Finding the Third Proportional to 2,160 and 2,512

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Solution

The third proportional to 2,160 and 2,512 is: 2,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160 : 2,512 = 2,512 : x
  2. Step 2: Convert to fraction form
    2,160/2,512 = 2,512/x
  3. Step 3: Cross multiply
    2,160x = 2,512 × 2,512
  4. Step 4: Simplify right side
    2,160x = 6,310,144
  5. Step 5: Solve for x
    x = 6,310,144/2,160
  6. Step 6: Final answer
    x = 2,921.36

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.