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Finding the Third Proportional to 384,358.50 and 547,530.75

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Solution

The third proportional to 384,358.50 and 547,530.75 is: 779,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,358.50 : 547,530.75 = 547,530.75 : x
  2. Step 2: Convert to fraction form
    384,358.50/547,530.75 = 547,530.75/x
  3. Step 3: Cross multiply
    384,358.50x = 547,530.75 × 547,530.75
  4. Step 4: Simplify right side
    384,358.50x = 299,789,922,195.56
  5. Step 5: Solve for x
    x = 299,789,922,195.56/384,358.50
  6. Step 6: Final answer
    x = 779,974.74

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.