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Finding the Third Proportional to 323,329.22 and 489,466.55

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Solution

The third proportional to 323,329.22 and 489,466.55 is: 740,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,329.22 : 489,466.55 = 489,466.55 : x
  2. Step 2: Convert to fraction form
    323,329.22/489,466.55 = 489,466.55/x
  3. Step 3: Cross multiply
    323,329.22x = 489,466.55 × 489,466.55
  4. Step 4: Simplify right side
    323,329.22x = 239,577,500,509.74
  5. Step 5: Solve for x
    x = 239,577,500,509.74/323,329.22
  6. Step 6: Final answer
    x = 740,970.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.