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Finding the Third Proportional to 79,383.50 and 171,230.50

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Solution

The third proportional to 79,383.50 and 171,230.50 is: 369,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,383.50 : 171,230.50 = 171,230.50 : x
  2. Step 2: Convert to fraction form
    79,383.50/171,230.50 = 171,230.50/x
  3. Step 3: Cross multiply
    79,383.50x = 171,230.50 × 171,230.50
  4. Step 4: Simplify right side
    79,383.50x = 29,319,884,130.25
  5. Step 5: Solve for x
    x = 29,319,884,130.25/79,383.50
  6. Step 6: Final answer
    x = 369,344.82

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.