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Finding the Third Proportional to 36,258 and 73,536

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Solution

The third proportional to 36,258 and 73,536 is: 149,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,258 : 73,536 = 73,536 : x
  2. Step 2: Convert to fraction form
    36,258/73,536 = 73,536/x
  3. Step 3: Cross multiply
    36,258x = 73,536 × 73,536
  4. Step 4: Simplify right side
    36,258x = 5,407,543,296
  5. Step 5: Solve for x
    x = 5,407,543,296/36,258
  6. Step 6: Final answer
    x = 149,140.69

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.