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Finding the Third Proportional to 264,450 and 581,385

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Solution

The third proportional to 264,450 and 581,385 is: 1,278,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,450 : 581,385 = 581,385 : x
  2. Step 2: Convert to fraction form
    264,450/581,385 = 581,385/x
  3. Step 3: Cross multiply
    264,450x = 581,385 × 581,385
  4. Step 4: Simplify right side
    264,450x = 338,008,518,225
  5. Step 5: Solve for x
    x = 338,008,518,225/264,450
  6. Step 6: Final answer
    x = 1,278,156.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.