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Finding the Third Proportional to 391,794.75 and 848,799.56

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Solution

The third proportional to 391,794.75 and 848,799.56 is: 1,838,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,794.75 : 848,799.56 = 848,799.56 : x
  2. Step 2: Convert to fraction form
    391,794.75/848,799.56 = 848,799.56/x
  3. Step 3: Cross multiply
    391,794.75x = 848,799.56 × 848,799.56
  4. Step 4: Simplify right side
    391,794.75x = 720,460,697,300.19
  5. Step 5: Solve for x
    x = 720,460,697,300.19/391,794.75
  6. Step 6: Final answer
    x = 1,838,872.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.