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Finding the Third Proportional to 981,493.88 and 2,117,657.25

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Solution

The third proportional to 981,493.88 and 2,117,657.25 is: 4,569,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,493.88 : 2,117,657.25 = 2,117,657.25 : x
  2. Step 2: Convert to fraction form
    981,493.88/2,117,657.25 = 2,117,657.25/x
  3. Step 3: Cross multiply
    981,493.88x = 2,117,657.25 × 2,117,657.25
  4. Step 4: Simplify right side
    981,493.88x = 4,484,472,228,477.56
  5. Step 5: Solve for x
    x = 4,484,472,228,477.56/981,493.88
  6. Step 6: Final answer
    x = 4,569,027.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.