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Finding the Third Proportional to 202,344.75 and 314,381.25

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Solution

The third proportional to 202,344.75 and 314,381.25 is: 488,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,344.75 : 314,381.25 = 314,381.25 : x
  2. Step 2: Convert to fraction form
    202,344.75/314,381.25 = 314,381.25/x
  3. Step 3: Cross multiply
    202,344.75x = 314,381.25 × 314,381.25
  4. Step 4: Simplify right side
    202,344.75x = 98,835,570,351.56
  5. Step 5: Solve for x
    x = 98,835,570,351.56/202,344.75
  6. Step 6: Final answer
    x = 488,451.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.