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Finding the Third Proportional to 336,321.49 and 717,542.93

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Solution

The third proportional to 336,321.49 and 717,542.93 is: 1,530,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,321.49 : 717,542.93 = 717,542.93 : x
  2. Step 2: Convert to fraction form
    336,321.49/717,542.93 = 717,542.93/x
  3. Step 3: Cross multiply
    336,321.49x = 717,542.93 × 717,542.93
  4. Step 4: Simplify right side
    336,321.49x = 514,867,855,944.52
  5. Step 5: Solve for x
    x = 514,867,855,944.52/336,321.49
  6. Step 6: Final answer
    x = 1,530,880.03

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.