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Finding the Third Proportional to 2,120.63 and 2,410.88

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Solution

The third proportional to 2,120.63 and 2,410.88 is: 2,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.63 : 2,410.88 = 2,410.88 : x
  2. Step 2: Convert to fraction form
    2,120.63/2,410.88 = 2,410.88/x
  3. Step 3: Cross multiply
    2,120.63x = 2,410.88 × 2,410.88
  4. Step 4: Simplify right side
    2,120.63x = 5,812,318.27
  5. Step 5: Solve for x
    x = 5,812,318.27/2,120.63
  6. Step 6: Final answer
    x = 2,740.85

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.