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Finding the Third Proportional to 3,776 and 4,965

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Solution

The third proportional to 3,776 and 4,965 is: 6,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776 : 4,965 = 4,965 : x
  2. Step 2: Convert to fraction form
    3,776/4,965 = 4,965/x
  3. Step 3: Cross multiply
    3,776x = 4,965 × 4,965
  4. Step 4: Simplify right side
    3,776x = 24,651,225
  5. Step 5: Solve for x
    x = 24,651,225/3,776
  6. Step 6: Final answer
    x = 6,528.40

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.