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Finding the Third Proportional to 79,258 and 165,158

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Solution

The third proportional to 79,258 and 165,158 is: 344,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,258 : 165,158 = 165,158 : x
  2. Step 2: Convert to fraction form
    79,258/165,158 = 165,158/x
  3. Step 3: Cross multiply
    79,258x = 165,158 × 165,158
  4. Step 4: Simplify right side
    79,258x = 27,277,164,964
  5. Step 5: Solve for x
    x = 27,277,164,964/79,258
  6. Step 6: Final answer
    x = 344,156.61

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.