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Finding the Third Proportional to 410,859 and 617,260.50

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Solution

The third proportional to 410,859 and 617,260.50 is: 927,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,859 : 617,260.50 = 617,260.50 : x
  2. Step 2: Convert to fraction form
    410,859/617,260.50 = 617,260.50/x
  3. Step 3: Cross multiply
    410,859x = 617,260.50 × 617,260.50
  4. Step 4: Simplify right side
    410,859x = 381,010,524,860.25
  5. Step 5: Solve for x
    x = 381,010,524,860.25/410,859
  6. Step 6: Final answer
    x = 927,351.05

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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.