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Finding the Third Proportional to 55,309,790 and 79,675,917

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Solution

The third proportional to 55,309,790 and 79,675,917 is: 114,776,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,309,790 : 79,675,917 = 79,675,917 : x
  2. Step 2: Convert to fraction form
    55,309,790/79,675,917 = 79,675,917/x
  3. Step 3: Cross multiply
    55,309,790x = 79,675,917 × 79,675,917
  4. Step 4: Simplify right side
    55,309,790x = 6,348,251,749,790,889
  5. Step 5: Solve for x
    x = 6,348,251,749,790,889/55,309,790
  6. Step 6: Final answer
    x = 114,776,276.49

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.