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Finding the Third Proportional to 388,201 and 848,368

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Solution

The third proportional to 388,201 and 848,368 is: 1,854,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,201 : 848,368 = 848,368 : x
  2. Step 2: Convert to fraction form
    388,201/848,368 = 848,368/x
  3. Step 3: Cross multiply
    388,201x = 848,368 × 848,368
  4. Step 4: Simplify right side
    388,201x = 719,728,263,424
  5. Step 5: Solve for x
    x = 719,728,263,424/388,201
  6. Step 6: Final answer
    x = 1,854,009.30

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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.