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Finding the Third Proportional to 2,477 and 3,984.75

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Solution

The third proportional to 2,477 and 3,984.75 is: 6,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477 : 3,984.75 = 3,984.75 : x
  2. Step 2: Convert to fraction form
    2,477/3,984.75 = 3,984.75/x
  3. Step 3: Cross multiply
    2,477x = 3,984.75 × 3,984.75
  4. Step 4: Simplify right side
    2,477x = 15,878,232.56
  5. Step 5: Solve for x
    x = 15,878,232.56/2,477
  6. Step 6: Final answer
    x = 6,410.27

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.