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Finding the Third Proportional to 412,808.25 and 581,324.63

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Solution

The third proportional to 412,808.25 and 581,324.63 is: 818,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,808.25 : 581,324.63 = 581,324.63 : x
  2. Step 2: Convert to fraction form
    412,808.25/581,324.63 = 581,324.63/x
  3. Step 3: Cross multiply
    412,808.25x = 581,324.63 × 581,324.63
  4. Step 4: Simplify right side
    412,808.25x = 337,938,319,631.39
  5. Step 5: Solve for x
    x = 337,938,319,631.39/412,808.25
  6. Step 6: Final answer
    x = 818,632.67

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.