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Finding the Third Proportional to 201,950 and 313,570

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Solution

The third proportional to 201,950 and 313,570 is: 486,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,950 : 313,570 = 313,570 : x
  2. Step 2: Convert to fraction form
    201,950/313,570 = 313,570/x
  3. Step 3: Cross multiply
    201,950x = 313,570 × 313,570
  4. Step 4: Simplify right side
    201,950x = 98,326,144,900
  5. Step 5: Solve for x
    x = 98,326,144,900/201,950
  6. Step 6: Final answer
    x = 486,883.61

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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.