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Finding the Third Proportional to 325,980.70 and 498,661.95

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Solution

The third proportional to 325,980.70 and 498,661.95 is: 762,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,980.70 : 498,661.95 = 498,661.95 : x
  2. Step 2: Convert to fraction form
    325,980.70/498,661.95 = 498,661.95/x
  3. Step 3: Cross multiply
    325,980.70x = 498,661.95 × 498,661.95
  4. Step 4: Simplify right side
    325,980.70x = 248,663,735,702.85
  5. Step 5: Solve for x
    x = 248,663,735,702.85/325,980.70
  6. Step 6: Final answer
    x = 762,817.35

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.