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Finding the Third Proportional to 36,258 and 79,158

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Solution

The third proportional to 36,258 and 79,158 is: 172,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,258 : 79,158 = 79,158 : x
  2. Step 2: Convert to fraction form
    36,258/79,158 = 79,158/x
  3. Step 3: Cross multiply
    36,258x = 79,158 × 79,158
  4. Step 4: Simplify right side
    36,258x = 6,265,988,964
  5. Step 5: Solve for x
    x = 6,265,988,964/36,258
  6. Step 6: Final answer
    x = 172,816.73

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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.