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Finding the Third Proportional to 325,865.25 and 681,521.63

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Solution

The third proportional to 325,865.25 and 681,521.63 is: 1,425,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,865.25 : 681,521.63 = 681,521.63 : x
  2. Step 2: Convert to fraction form
    325,865.25/681,521.63 = 681,521.63/x
  3. Step 3: Cross multiply
    325,865.25x = 681,521.63 × 681,521.63
  4. Step 4: Simplify right side
    325,865.25x = 464,471,725,342.64
  5. Step 5: Solve for x
    x = 464,471,725,342.64/325,865.25
  6. Step 6: Final answer
    x = 1,425,349.05

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.