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Finding the Third Proportional to 106,392 and 161,892

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Solution

The third proportional to 106,392 and 161,892 is: 246,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,392 : 161,892 = 161,892 : x
  2. Step 2: Convert to fraction form
    106,392/161,892 = 161,892/x
  3. Step 3: Cross multiply
    106,392x = 161,892 × 161,892
  4. Step 4: Simplify right side
    106,392x = 26,209,019,664
  5. Step 5: Solve for x
    x = 26,209,019,664/106,392
  6. Step 6: Final answer
    x = 246,343.89

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.