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Finding the Third Proportional to 425,634.75 and 870,952.50

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Solution

The third proportional to 425,634.75 and 870,952.50 is: 1,782,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,634.75 : 870,952.50 = 870,952.50 : x
  2. Step 2: Convert to fraction form
    425,634.75/870,952.50 = 870,952.50/x
  3. Step 3: Cross multiply
    425,634.75x = 870,952.50 × 870,952.50
  4. Step 4: Simplify right side
    425,634.75x = 758,558,257,256.25
  5. Step 5: Solve for x
    x = 758,558,257,256.25/425,634.75
  6. Step 6: Final answer
    x = 1,782,181.22

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.