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Finding the Third Proportional to 97,392 and 131,976

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Solution

The third proportional to 97,392 and 131,976 is: 178,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,392 : 131,976 = 131,976 : x
  2. Step 2: Convert to fraction form
    97,392/131,976 = 131,976/x
  3. Step 3: Cross multiply
    97,392x = 131,976 × 131,976
  4. Step 4: Simplify right side
    97,392x = 17,417,664,576
  5. Step 5: Solve for x
    x = 17,417,664,576/97,392
  6. Step 6: Final answer
    x = 178,840.81

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.