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Finding the Third Proportional to 398,365 and 933,217

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Solution

The third proportional to 398,365 and 933,217 is: 2,186,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,365 : 933,217 = 933,217 : x
  2. Step 2: Convert to fraction form
    398,365/933,217 = 933,217/x
  3. Step 3: Cross multiply
    398,365x = 933,217 × 933,217
  4. Step 4: Simplify right side
    398,365x = 870,893,969,089
  5. Step 5: Solve for x
    x = 870,893,969,089/398,365
  6. Step 6: Final answer
    x = 2,186,170.90

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.