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Finding the Third Proportional to 5,018.20 and 10,930.36

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Solution

The third proportional to 5,018.20 and 10,930.36 is: 23,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.20 : 10,930.36 = 10,930.36 : x
  2. Step 2: Convert to fraction form
    5,018.20/10,930.36 = 10,930.36/x
  3. Step 3: Cross multiply
    5,018.20x = 10,930.36 × 10,930.36
  4. Step 4: Simplify right side
    5,018.20x = 119,472,756.07
  5. Step 5: Solve for x
    x = 119,472,756.07/5,018.20
  6. Step 6: Final answer
    x = 23,807.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.