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Finding the Third Proportional to 2,127 and 4,299

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Solution

The third proportional to 2,127 and 4,299 is: 8,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127 : 4,299 = 4,299 : x
  2. Step 2: Convert to fraction form
    2,127/4,299 = 4,299/x
  3. Step 3: Cross multiply
    2,127x = 4,299 × 4,299
  4. Step 4: Simplify right side
    2,127x = 18,481,401
  5. Step 5: Solve for x
    x = 18,481,401/2,127
  6. Step 6: Final answer
    x = 8,688.95

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.