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Finding the Third Proportional to 181,959 and 388,857

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Solution

The third proportional to 181,959 and 388,857 is: 831,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,959 : 388,857 = 388,857 : x
  2. Step 2: Convert to fraction form
    181,959/388,857 = 388,857/x
  3. Step 3: Cross multiply
    181,959x = 388,857 × 388,857
  4. Step 4: Simplify right side
    181,959x = 151,209,766,449
  5. Step 5: Solve for x
    x = 151,209,766,449/181,959
  6. Step 6: Final answer
    x = 831,010.10

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.