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Finding the Third Proportional to 361,131 and 768,916.50

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Solution

The third proportional to 361,131 and 768,916.50 is: 1,637,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,131 : 768,916.50 = 768,916.50 : x
  2. Step 2: Convert to fraction form
    361,131/768,916.50 = 768,916.50/x
  3. Step 3: Cross multiply
    361,131x = 768,916.50 × 768,916.50
  4. Step 4: Simplify right side
    361,131x = 591,232,583,972.25
  5. Step 5: Solve for x
    x = 591,232,583,972.25/361,131
  6. Step 6: Final answer
    x = 1,637,169.29

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.