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Finding the Third Proportional to 262,321.03 and 393,472.69

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Solution

The third proportional to 262,321.03 and 393,472.69 is: 590,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,321.03 : 393,472.69 = 393,472.69 : x
  2. Step 2: Convert to fraction form
    262,321.03/393,472.69 = 393,472.69/x
  3. Step 3: Cross multiply
    262,321.03x = 393,472.69 × 393,472.69
  4. Step 4: Simplify right side
    262,321.03x = 154,820,755,808.47
  5. Step 5: Solve for x
    x = 154,820,755,808.47/262,321.03
  6. Step 6: Final answer
    x = 590,195.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.