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Finding the Third Proportional to 4,930.13 and 10,090.13

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Solution

The third proportional to 4,930.13 and 10,090.13 is: 20,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.13 : 10,090.13 = 10,090.13 : x
  2. Step 2: Convert to fraction form
    4,930.13/10,090.13 = 10,090.13/x
  3. Step 3: Cross multiply
    4,930.13x = 10,090.13 × 10,090.13
  4. Step 4: Simplify right side
    4,930.13x = 101,810,622.52
  5. Step 5: Solve for x
    x = 101,810,622.52/4,930.13
  6. Step 6: Final answer
    x = 20,650.72

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.