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Finding the Third Proportional to 911,717.50 and 1,983,977

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Solution

The third proportional to 911,717.50 and 1,983,977 is: 4,317,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,717.50 : 1,983,977 = 1,983,977 : x
  2. Step 2: Convert to fraction form
    911,717.50/1,983,977 = 1,983,977/x
  3. Step 3: Cross multiply
    911,717.50x = 1,983,977 × 1,983,977
  4. Step 4: Simplify right side
    911,717.50x = 3,936,164,736,529
  5. Step 5: Solve for x
    x = 3,936,164,736,529/911,717.50
  6. Step 6: Final answer
    x = 4,317,307.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.