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Finding the Third Proportional to 1,302 and 2,865

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Solution

The third proportional to 1,302 and 2,865 is: 6,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302 : 2,865 = 2,865 : x
  2. Step 2: Convert to fraction form
    1,302/2,865 = 2,865/x
  3. Step 3: Cross multiply
    1,302x = 2,865 × 2,865
  4. Step 4: Simplify right side
    1,302x = 8,208,225
  5. Step 5: Solve for x
    x = 8,208,225/1,302
  6. Step 6: Final answer
    x = 6,304.32

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.