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Finding the Third Proportional to 79,224 and 172,110

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Solution

The third proportional to 79,224 and 172,110 is: 373,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224 : 172,110 = 172,110 : x
  2. Step 2: Convert to fraction form
    79,224/172,110 = 172,110/x
  3. Step 3: Cross multiply
    79,224x = 172,110 × 172,110
  4. Step 4: Simplify right side
    79,224x = 29,621,852,100
  5. Step 5: Solve for x
    x = 29,621,852,100/79,224
  6. Step 6: Final answer
    x = 373,899.98

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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.