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Finding the Third Proportional to 45,421,044 and 99,635,699

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Solution

The third proportional to 45,421,044 and 99,635,699 is: 218,561,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421,044 : 99,635,699 = 99,635,699 : x
  2. Step 2: Convert to fraction form
    45,421,044/99,635,699 = 99,635,699/x
  3. Step 3: Cross multiply
    45,421,044x = 99,635,699 × 99,635,699
  4. Step 4: Simplify right side
    45,421,044x = 9,927,272,515,218,600
  5. Step 5: Solve for x
    x = 9,927,272,515,218,600/45,421,044
  6. Step 6: Final answer
    x = 218,561,081.85

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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.