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Finding the Third Proportional to 75,777 and 164,659

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Solution

The third proportional to 75,777 and 164,659 is: 357,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,777 : 164,659 = 164,659 : x
  2. Step 2: Convert to fraction form
    75,777/164,659 = 164,659/x
  3. Step 3: Cross multiply
    75,777x = 164,659 × 164,659
  4. Step 4: Simplify right side
    75,777x = 27,112,586,281
  5. Step 5: Solve for x
    x = 27,112,586,281/75,777
  6. Step 6: Final answer
    x = 357,794.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.