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Finding the Third Proportional to 395,354 and 852,916

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Solution

The third proportional to 395,354 and 852,916 is: 1,840,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,354 : 852,916 = 852,916 : x
  2. Step 2: Convert to fraction form
    395,354/852,916 = 852,916/x
  3. Step 3: Cross multiply
    395,354x = 852,916 × 852,916
  4. Step 4: Simplify right side
    395,354x = 727,465,703,056
  5. Step 5: Solve for x
    x = 727,465,703,056/395,354
  6. Step 6: Final answer
    x = 1,840,036.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.