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Finding the Third Proportional to 393,868.13 and 802,180.13

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Solution

The third proportional to 393,868.13 and 802,180.13 is: 1,633,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,868.13 : 802,180.13 = 802,180.13 : x
  2. Step 2: Convert to fraction form
    393,868.13/802,180.13 = 802,180.13/x
  3. Step 3: Cross multiply
    393,868.13x = 802,180.13 × 802,180.13
  4. Step 4: Simplify right side
    393,868.13x = 643,492,952,945.02
  5. Step 5: Solve for x
    x = 643,492,952,945.02/393,868.13
  6. Step 6: Final answer
    x = 1,633,777.68

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.