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Finding the Third Proportional to 247,833 and 393,892.88

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Solution

The third proportional to 247,833 and 393,892.88 is: 626,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,833 : 393,892.88 = 393,892.88 : x
  2. Step 2: Convert to fraction form
    247,833/393,892.88 = 393,892.88/x
  3. Step 3: Cross multiply
    247,833x = 393,892.88 × 393,892.88
  4. Step 4: Simplify right side
    247,833x = 155,151,596,975.77
  5. Step 5: Solve for x
    x = 155,151,596,975.77/247,833
  6. Step 6: Final answer
    x = 626,032.84

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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.