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Finding the Third Proportional to 45,247.13 and 99,379.13

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Solution

The third proportional to 45,247.13 and 99,379.13 is: 218,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,247.13 : 99,379.13 = 99,379.13 : x
  2. Step 2: Convert to fraction form
    45,247.13/99,379.13 = 99,379.13/x
  3. Step 3: Cross multiply
    45,247.13x = 99,379.13 × 99,379.13
  4. Step 4: Simplify right side
    45,247.13x = 9,876,210,485.77
  5. Step 5: Solve for x
    x = 9,876,210,485.77/45,247.13
  6. Step 6: Final answer
    x = 218,272.66

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.