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Finding the Third Proportional to 2,460.38 and 4,989.09

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Solution

The third proportional to 2,460.38 and 4,989.09 is: 10,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.38 : 4,989.09 = 4,989.09 : x
  2. Step 2: Convert to fraction form
    2,460.38/4,989.09 = 4,989.09/x
  3. Step 3: Cross multiply
    2,460.38x = 4,989.09 × 4,989.09
  4. Step 4: Simplify right side
    2,460.38x = 24,891,056.45
  5. Step 5: Solve for x
    x = 24,891,056.45/2,460.38
  6. Step 6: Final answer
    x = 10,116.77

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.