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Finding the Third Proportional to 247,799.25 and 393,852.38

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Solution

The third proportional to 247,799.25 and 393,852.38 is: 625,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,799.25 : 393,852.38 = 393,852.38 : x
  2. Step 2: Convert to fraction form
    247,799.25/393,852.38 = 393,852.38/x
  3. Step 3: Cross multiply
    247,799.25x = 393,852.38 × 393,852.38
  4. Step 4: Simplify right side
    247,799.25x = 155,119,693,293.14
  5. Step 5: Solve for x
    x = 155,119,693,293.14/247,799.25
  6. Step 6: Final answer
    x = 625,989.36

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.