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Finding the Third Proportional to 548,356.50 and 817,951.50

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Solution

The third proportional to 548,356.50 and 817,951.50 is: 1,220,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,356.50 : 817,951.50 = 817,951.50 : x
  2. Step 2: Convert to fraction form
    548,356.50/817,951.50 = 817,951.50/x
  3. Step 3: Cross multiply
    548,356.50x = 817,951.50 × 817,951.50
  4. Step 4: Simplify right side
    548,356.50x = 669,044,656,352.25
  5. Step 5: Solve for x
    x = 669,044,656,352.25/548,356.50
  6. Step 6: Final answer
    x = 1,220,090.68

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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.