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Finding the Third Proportional to 89,079.75 and 210,255.75

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Solution

The third proportional to 89,079.75 and 210,255.75 is: 496,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079.75 : 210,255.75 = 210,255.75 : x
  2. Step 2: Convert to fraction form
    89,079.75/210,255.75 = 210,255.75/x
  3. Step 3: Cross multiply
    89,079.75x = 210,255.75 × 210,255.75
  4. Step 4: Simplify right side
    89,079.75x = 44,207,480,408.06
  5. Step 5: Solve for x
    x = 44,207,480,408.06/89,079.75
  6. Step 6: Final answer
    x = 496,268.57

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.