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Finding the Third Proportional to 249,257.25 and 548,356.50

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Solution

The third proportional to 249,257.25 and 548,356.50 is: 1,206,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,257.25 : 548,356.50 = 548,356.50 : x
  2. Step 2: Convert to fraction form
    249,257.25/548,356.50 = 548,356.50/x
  3. Step 3: Cross multiply
    249,257.25x = 548,356.50 × 548,356.50
  4. Step 4: Simplify right side
    249,257.25x = 300,694,851,092.25
  5. Step 5: Solve for x
    x = 300,694,851,092.25/249,257.25
  6. Step 6: Final answer
    x = 1,206,363.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.