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Finding the Third Proportional to 981,504 and 2,117,677.50

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Solution

The third proportional to 981,504 and 2,117,677.50 is: 4,569,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,504 : 2,117,677.50 = 2,117,677.50 : x
  2. Step 2: Convert to fraction form
    981,504/2,117,677.50 = 2,117,677.50/x
  3. Step 3: Cross multiply
    981,504x = 2,117,677.50 × 2,117,677.50
  4. Step 4: Simplify right side
    981,504x = 4,484,557,994,006.25
  5. Step 5: Solve for x
    x = 4,484,557,994,006.25/981,504
  6. Step 6: Final answer
    x = 4,569,067.47

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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.