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Finding the Third Proportional to 75,965 and 117,930

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Solution

The third proportional to 75,965 and 117,930 is: 183,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,965 : 117,930 = 117,930 : x
  2. Step 2: Convert to fraction form
    75,965/117,930 = 117,930/x
  3. Step 3: Cross multiply
    75,965x = 117,930 × 117,930
  4. Step 4: Simplify right side
    75,965x = 13,907,484,900
  5. Step 5: Solve for x
    x = 13,907,484,900/75,965
  6. Step 6: Final answer
    x = 183,077.53

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.