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Finding the Third Proportional to 494,418.75 and 742,944.75

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Solution

The third proportional to 494,418.75 and 742,944.75 is: 1,116,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,418.75 : 742,944.75 = 742,944.75 : x
  2. Step 2: Convert to fraction form
    494,418.75/742,944.75 = 742,944.75/x
  3. Step 3: Cross multiply
    494,418.75x = 742,944.75 × 742,944.75
  4. Step 4: Simplify right side
    494,418.75x = 551,966,901,552.56
  5. Step 5: Solve for x
    x = 551,966,901,552.56/494,418.75
  6. Step 6: Final answer
    x = 1,116,395.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.