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Finding the Third Proportional to 769,651.50 and 1,781,548.50

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Solution

The third proportional to 769,651.50 and 1,781,548.50 is: 4,123,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,651.50 : 1,781,548.50 = 1,781,548.50 : x
  2. Step 2: Convert to fraction form
    769,651.50/1,781,548.50 = 1,781,548.50/x
  3. Step 3: Cross multiply
    769,651.50x = 1,781,548.50 × 1,781,548.50
  4. Step 4: Simplify right side
    769,651.50x = 3,173,915,057,852.25
  5. Step 5: Solve for x
    x = 3,173,915,057,852.25/769,651.50
  6. Step 6: Final answer
    x = 4,123,834.04

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.