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Finding the Third Proportional to 120,836.81 and 262,450.13

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Solution

The third proportional to 120,836.81 and 262,450.13 is: 570,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,836.81 : 262,450.13 = 262,450.13 : x
  2. Step 2: Convert to fraction form
    120,836.81/262,450.13 = 262,450.13/x
  3. Step 3: Cross multiply
    120,836.81x = 262,450.13 × 262,450.13
  4. Step 4: Simplify right side
    120,836.81x = 68,880,068,112.52
  5. Step 5: Solve for x
    x = 68,880,068,112.52/120,836.81
  6. Step 6: Final answer
    x = 570,025.53

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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.