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Finding the Third Proportional to 45,421,105.50 and 99,635,895

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Solution

The third proportional to 45,421,105.50 and 99,635,895 is: 218,561,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421,105.50 : 99,635,895 = 99,635,895 : x
  2. Step 2: Convert to fraction form
    45,421,105.50/99,635,895 = 99,635,895/x
  3. Step 3: Cross multiply
    45,421,105.50x = 99,635,895 × 99,635,895
  4. Step 4: Simplify right side
    45,421,105.50x = 9,927,311,572,451,024
  5. Step 5: Solve for x
    x = 9,927,311,572,451,024/45,421,105.50
  6. Step 6: Final answer
    x = 218,561,645.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.