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Finding the Third Proportional to 137,574.75 and 298,049.25

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Solution

The third proportional to 137,574.75 and 298,049.25 is: 645,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,574.75 : 298,049.25 = 298,049.25 : x
  2. Step 2: Convert to fraction form
    137,574.75/298,049.25 = 298,049.25/x
  3. Step 3: Cross multiply
    137,574.75x = 298,049.25 × 298,049.25
  4. Step 4: Simplify right side
    137,574.75x = 88,833,355,425.56
  5. Step 5: Solve for x
    x = 88,833,355,425.56/137,574.75
  6. Step 6: Final answer
    x = 645,709.74

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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.