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Finding the Third Proportional to 548,336.25 and 817,938

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Solution

The third proportional to 548,336.25 and 817,938 is: 1,220,095.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,336.25 : 817,938 = 817,938 : x
  2. Step 2: Convert to fraction form
    548,336.25/817,938 = 817,938/x
  3. Step 3: Cross multiply
    548,336.25x = 817,938 × 817,938
  4. Step 4: Simplify right side
    548,336.25x = 669,022,571,844
  5. Step 5: Solve for x
    x = 669,022,571,844/548,336.25
  6. Step 6: Final answer
    x = 1,220,095.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.