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Finding the Third Proportional to 343,507.75 and 504,997.50

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Solution

The third proportional to 343,507.75 and 504,997.50 is: 742,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,507.75 : 504,997.50 = 504,997.50 : x
  2. Step 2: Convert to fraction form
    343,507.75/504,997.50 = 504,997.50/x
  3. Step 3: Cross multiply
    343,507.75x = 504,997.50 × 504,997.50
  4. Step 4: Simplify right side
    343,507.75x = 255,022,475,006.25
  5. Step 5: Solve for x
    x = 255,022,475,006.25/343,507.75
  6. Step 6: Final answer
    x = 742,406.76

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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.