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Finding the Third Proportional to 2,057.63 and 4,388.63

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Solution

The third proportional to 2,057.63 and 4,388.63 is: 9,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.63 : 4,388.63 = 4,388.63 : x
  2. Step 2: Convert to fraction form
    2,057.63/4,388.63 = 4,388.63/x
  3. Step 3: Cross multiply
    2,057.63x = 4,388.63 × 4,388.63
  4. Step 4: Simplify right side
    2,057.63x = 19,260,029.39
  5. Step 5: Solve for x
    x = 19,260,029.39/2,057.63
  6. Step 6: Final answer
    x = 9,360.32

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.