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Finding the Third Proportional to 9,228,388.22 and 19,876,686.19

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Solution

The third proportional to 9,228,388.22 and 19,876,686.19 is: 42,811,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228,388.22 : 19,876,686.19 = 19,876,686.19 : x
  2. Step 2: Convert to fraction form
    9,228,388.22/19,876,686.19 = 19,876,686.19/x
  3. Step 3: Cross multiply
    9,228,388.22x = 19,876,686.19 × 19,876,686.19
  4. Step 4: Simplify right side
    9,228,388.22x = 395,082,653,796,353.31
  5. Step 5: Solve for x
    x = 395,082,653,796,353.31/9,228,388.22
  6. Step 6: Final answer
    x = 42,811,663.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.