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Finding the Third Proportional to 300,919.50 and 627,058.13

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Solution

The third proportional to 300,919.50 and 627,058.13 is: 1,306,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,919.50 : 627,058.13 = 627,058.13 : x
  2. Step 2: Convert to fraction form
    300,919.50/627,058.13 = 627,058.13/x
  3. Step 3: Cross multiply
    300,919.50x = 627,058.13 × 627,058.13
  4. Step 4: Simplify right side
    300,919.50x = 393,201,892,128.52
  5. Step 5: Solve for x
    x = 393,201,892,128.52/300,919.50
  6. Step 6: Final answer
    x = 1,306,668.04

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.