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Finding the Third Proportional to 186,942 and 397,252.50

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Solution

The third proportional to 186,942 and 397,252.50 is: 844,163.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,942 : 397,252.50 = 397,252.50 : x
  2. Step 2: Convert to fraction form
    186,942/397,252.50 = 397,252.50/x
  3. Step 3: Cross multiply
    186,942x = 397,252.50 × 397,252.50
  4. Step 4: Simplify right side
    186,942x = 157,809,548,756.25
  5. Step 5: Solve for x
    x = 157,809,548,756.25/186,942
  6. Step 6: Final answer
    x = 844,163.16

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.