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Finding the Third Proportional to 2,468 and 3,840

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Solution

The third proportional to 2,468 and 3,840 is: 5,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468 : 3,840 = 3,840 : x
  2. Step 2: Convert to fraction form
    2,468/3,840 = 3,840/x
  3. Step 3: Cross multiply
    2,468x = 3,840 × 3,840
  4. Step 4: Simplify right side
    2,468x = 14,745,600
  5. Step 5: Solve for x
    x = 14,745,600/2,468
  6. Step 6: Final answer
    x = 5,974.72

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.