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Finding the Third Proportional to 75,814 and 165,076

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Solution

The third proportional to 75,814 and 165,076 is: 359,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,814 : 165,076 = 165,076 : x
  2. Step 2: Convert to fraction form
    75,814/165,076 = 165,076/x
  3. Step 3: Cross multiply
    75,814x = 165,076 × 165,076
  4. Step 4: Simplify right side
    75,814x = 27,250,085,776
  5. Step 5: Solve for x
    x = 27,250,085,776/75,814
  6. Step 6: Final answer
    x = 359,433.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.