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Finding the Third Proportional to 207,328 and 293,615

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Solution

The third proportional to 207,328 and 293,615 is: 415,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,328 : 293,615 = 293,615 : x
  2. Step 2: Convert to fraction form
    207,328/293,615 = 293,615/x
  3. Step 3: Cross multiply
    207,328x = 293,615 × 293,615
  4. Step 4: Simplify right side
    207,328x = 86,209,768,225
  5. Step 5: Solve for x
    x = 86,209,768,225/207,328
  6. Step 6: Final answer
    x = 415,813.44

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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.