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Finding the Third Proportional to 270,379.50 and 625,911

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Solution

The third proportional to 270,379.50 and 625,911 is: 1,448,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,379.50 : 625,911 = 625,911 : x
  2. Step 2: Convert to fraction form
    270,379.50/625,911 = 625,911/x
  3. Step 3: Cross multiply
    270,379.50x = 625,911 × 625,911
  4. Step 4: Simplify right side
    270,379.50x = 391,764,579,921
  5. Step 5: Solve for x
    x = 391,764,579,921/270,379.50
  6. Step 6: Final answer
    x = 1,448,943.36

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.