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Finding the Third Proportional to 75,818 and 116,643

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Solution

The third proportional to 75,818 and 116,643 is: 179,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,818 : 116,643 = 116,643 : x
  2. Step 2: Convert to fraction form
    75,818/116,643 = 116,643/x
  3. Step 3: Cross multiply
    75,818x = 116,643 × 116,643
  4. Step 4: Simplify right side
    75,818x = 13,605,589,449
  5. Step 5: Solve for x
    x = 13,605,589,449/75,818
  6. Step 6: Final answer
    x = 179,450.65

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.