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Finding the Third Proportional to 388,186 and 848,340

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Solution

The third proportional to 388,186 and 848,340 is: 1,853,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,186 : 848,340 = 848,340 : x
  2. Step 2: Convert to fraction form
    388,186/848,340 = 848,340/x
  3. Step 3: Cross multiply
    388,186x = 848,340 × 848,340
  4. Step 4: Simplify right side
    388,186x = 719,680,755,600
  5. Step 5: Solve for x
    x = 719,680,755,600/388,186
  6. Step 6: Final answer
    x = 1,853,958.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.