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Finding the Third Proportional to 36,173 and 78,360

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Solution

The third proportional to 36,173 and 78,360 is: 169,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,173 : 78,360 = 78,360 : x
  2. Step 2: Convert to fraction form
    36,173/78,360 = 78,360/x
  3. Step 3: Cross multiply
    36,173x = 78,360 × 78,360
  4. Step 4: Simplify right side
    36,173x = 6,140,289,600
  5. Step 5: Solve for x
    x = 6,140,289,600/36,173
  6. Step 6: Final answer
    x = 169,747.87

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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.