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Finding the Third Proportional to 313,610 and 471,122

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Solution

The third proportional to 313,610 and 471,122 is: 707,745.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,610 : 471,122 = 471,122 : x
  2. Step 2: Convert to fraction form
    313,610/471,122 = 471,122/x
  3. Step 3: Cross multiply
    313,610x = 471,122 × 471,122
  4. Step 4: Simplify right side
    313,610x = 221,955,938,884
  5. Step 5: Solve for x
    x = 221,955,938,884/313,610
  6. Step 6: Final answer
    x = 707,745.09

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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.