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Finding the Third Proportional to 75,668 and 164,440

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Solution

The third proportional to 75,668 and 164,440 is: 357,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,668 : 164,440 = 164,440 : x
  2. Step 2: Convert to fraction form
    75,668/164,440 = 164,440/x
  3. Step 3: Cross multiply
    75,668x = 164,440 × 164,440
  4. Step 4: Simplify right side
    75,668x = 27,040,513,600
  5. Step 5: Solve for x
    x = 27,040,513,600/75,668
  6. Step 6: Final answer
    x = 357,357.32

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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.