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Finding the Third Proportional to 79,096.50 and 121,743

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Solution

The third proportional to 79,096.50 and 121,743 is: 187,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,096.50 : 121,743 = 121,743 : x
  2. Step 2: Convert to fraction form
    79,096.50/121,743 = 121,743/x
  3. Step 3: Cross multiply
    79,096.50x = 121,743 × 121,743
  4. Step 4: Simplify right side
    79,096.50x = 14,821,358,049
  5. Step 5: Solve for x
    x = 14,821,358,049/79,096.50
  6. Step 6: Final answer
    x = 187,383.24

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.