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Finding the Third Proportional to 388,158 and 848,727

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Solution

The third proportional to 388,158 and 848,727 is: 1,855,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,158 : 848,727 = 848,727 : x
  2. Step 2: Convert to fraction form
    388,158/848,727 = 848,727/x
  3. Step 3: Cross multiply
    388,158x = 848,727 × 848,727
  4. Step 4: Simplify right side
    388,158x = 720,337,520,529
  5. Step 5: Solve for x
    x = 720,337,520,529/388,158
  6. Step 6: Final answer
    x = 1,855,784.30

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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.