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Finding the Third Proportional to 1,179,481.50 and 2,579,781.66

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Solution

The third proportional to 1,179,481.50 and 2,579,781.66 is: 5,642,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,481.50 : 2,579,781.66 = 2,579,781.66 : x
  2. Step 2: Convert to fraction form
    1,179,481.50/2,579,781.66 = 2,579,781.66/x
  3. Step 3: Cross multiply
    1,179,481.50x = 2,579,781.66 × 2,579,781.66
  4. Step 4: Simplify right side
    1,179,481.50x = 6,655,273,393,923.99
  5. Step 5: Solve for x
    x = 6,655,273,393,923.99/1,179,481.50
  6. Step 6: Final answer
    x = 5,642,541.57

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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.