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Finding the Third Proportional to 313,578 and 471,073

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Solution

The third proportional to 313,578 and 471,073 is: 707,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,578 : 471,073 = 471,073 : x
  2. Step 2: Convert to fraction form
    313,578/471,073 = 471,073/x
  3. Step 3: Cross multiply
    313,578x = 471,073 × 471,073
  4. Step 4: Simplify right side
    313,578x = 221,909,771,329
  5. Step 5: Solve for x
    x = 221,909,771,329/313,578
  6. Step 6: Final answer
    x = 707,670.09

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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.