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Finding the Third Proportional to 379,280.76 and 806,833.56

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Solution

The third proportional to 379,280.76 and 806,833.56 is: 1,716,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,280.76 : 806,833.56 = 806,833.56 : x
  2. Step 2: Convert to fraction form
    379,280.76/806,833.56 = 806,833.56/x
  3. Step 3: Cross multiply
    379,280.76x = 806,833.56 × 806,833.56
  4. Step 4: Simplify right side
    379,280.76x = 650,980,400,728.13
  5. Step 5: Solve for x
    x = 650,980,400,728.13/379,280.76
  6. Step 6: Final answer
    x = 1,716,354.93

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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.