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Finding the Third Proportional to 2,762 and 4,143

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Solution

The third proportional to 2,762 and 4,143 is: 6,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762 : 4,143 = 4,143 : x
  2. Step 2: Convert to fraction form
    2,762/4,143 = 4,143/x
  3. Step 3: Cross multiply
    2,762x = 4,143 × 4,143
  4. Step 4: Simplify right side
    2,762x = 17,164,449
  5. Step 5: Solve for x
    x = 17,164,449/2,762
  6. Step 6: Final answer
    x = 6,214.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.