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Finding the Third Proportional to 79,024 and 120,072

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Solution

The third proportional to 79,024 and 120,072 is: 182,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,024 : 120,072 = 120,072 : x
  2. Step 2: Convert to fraction form
    79,024/120,072 = 120,072/x
  3. Step 3: Cross multiply
    79,024x = 120,072 × 120,072
  4. Step 4: Simplify right side
    79,024x = 14,417,285,184
  5. Step 5: Solve for x
    x = 14,417,285,184/79,024
  6. Step 6: Final answer
    x = 182,441.86

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.