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Finding the Third Proportional to 388,086 and 848,318

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Solution

The third proportional to 388,086 and 848,318 is: 1,854,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,086 : 848,318 = 848,318 : x
  2. Step 2: Convert to fraction form
    388,086/848,318 = 848,318/x
  3. Step 3: Cross multiply
    388,086x = 848,318 × 848,318
  4. Step 4: Simplify right side
    388,086x = 719,643,429,124
  5. Step 5: Solve for x
    x = 719,643,429,124/388,086
  6. Step 6: Final answer
    x = 1,854,340.09

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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.