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Finding the Third Proportional to 161,448 and 251,982

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Solution

The third proportional to 161,448 and 251,982 is: 393,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,448 : 251,982 = 251,982 : x
  2. Step 2: Convert to fraction form
    161,448/251,982 = 251,982/x
  3. Step 3: Cross multiply
    161,448x = 251,982 × 251,982
  4. Step 4: Simplify right side
    161,448x = 63,494,928,324
  5. Step 5: Solve for x
    x = 63,494,928,324/161,448
  6. Step 6: Final answer
    x = 393,284.08

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.