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Finding the Third Proportional to 793,156 and 1,639,663

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Solution

The third proportional to 793,156 and 1,639,663 is: 3,389,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,156 : 1,639,663 = 1,639,663 : x
  2. Step 2: Convert to fraction form
    793,156/1,639,663 = 1,639,663/x
  3. Step 3: Cross multiply
    793,156x = 1,639,663 × 1,639,663
  4. Step 4: Simplify right side
    793,156x = 2,688,494,753,569
  5. Step 5: Solve for x
    x = 2,688,494,753,569/793,156
  6. Step 6: Final answer
    x = 3,389,616.61

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.