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Finding the Third Proportional to 200,812.50 and 310,941

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Solution

The third proportional to 200,812.50 and 310,941 is: 481,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,812.50 : 310,941 = 310,941 : x
  2. Step 2: Convert to fraction form
    200,812.50/310,941 = 310,941/x
  3. Step 3: Cross multiply
    200,812.50x = 310,941 × 310,941
  4. Step 4: Simplify right side
    200,812.50x = 96,684,305,481
  5. Step 5: Solve for x
    x = 96,684,305,481/200,812.50
  6. Step 6: Final answer
    x = 481,465.57

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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.