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Finding the Third Proportional to 343,995.75 and 505,882.50

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Solution

The third proportional to 343,995.75 and 505,882.50 is: 743,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,995.75 : 505,882.50 = 505,882.50 : x
  2. Step 2: Convert to fraction form
    343,995.75/505,882.50 = 505,882.50/x
  3. Step 3: Cross multiply
    343,995.75x = 505,882.50 × 505,882.50
  4. Step 4: Simplify right side
    343,995.75x = 255,917,103,806.25
  5. Step 5: Solve for x
    x = 255,917,103,806.25/343,995.75
  6. Step 6: Final answer
    x = 743,954.26

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.