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Finding the Third Proportional to 9,420,964.13 and 20,407,015.13

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Solution

The third proportional to 9,420,964.13 and 20,407,015.13 is: 44,204,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420,964.13 : 20,407,015.13 = 20,407,015.13 : x
  2. Step 2: Convert to fraction form
    9,420,964.13/20,407,015.13 = 20,407,015.13/x
  3. Step 3: Cross multiply
    9,420,964.13x = 20,407,015.13 × 20,407,015.13
  4. Step 4: Simplify right side
    9,420,964.13x = 416,446,266,311,978.75
  5. Step 5: Solve for x
    x = 416,446,266,311,978.75/9,420,964.13
  6. Step 6: Final answer
    x = 44,204,208.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.