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Finding the Third Proportional to 75,764 and 115,953

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Solution

The third proportional to 75,764 and 115,953 is: 177,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,764 : 115,953 = 115,953 : x
  2. Step 2: Convert to fraction form
    75,764/115,953 = 115,953/x
  3. Step 3: Cross multiply
    75,764x = 115,953 × 115,953
  4. Step 4: Simplify right side
    75,764x = 13,445,098,209
  5. Step 5: Solve for x
    x = 13,445,098,209/75,764
  6. Step 6: Final answer
    x = 177,460.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.