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Finding the Third Proportional to 247,799.25 and 393,842.25

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Solution

The third proportional to 247,799.25 and 393,842.25 is: 625,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,799.25 : 393,842.25 = 393,842.25 : x
  2. Step 2: Convert to fraction form
    247,799.25/393,842.25 = 393,842.25/x
  3. Step 3: Cross multiply
    247,799.25x = 393,842.25 × 393,842.25
  4. Step 4: Simplify right side
    247,799.25x = 155,111,717,885.06
  5. Step 5: Solve for x
    x = 155,111,717,885.06/247,799.25
  6. Step 6: Final answer
    x = 625,957.17

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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.