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Finding the Third Proportional to 92,574 and 199,211

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Solution

The third proportional to 92,574 and 199,211 is: 428,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,574 : 199,211 = 199,211 : x
  2. Step 2: Convert to fraction form
    92,574/199,211 = 199,211/x
  3. Step 3: Cross multiply
    92,574x = 199,211 × 199,211
  4. Step 4: Simplify right side
    92,574x = 39,685,022,521
  5. Step 5: Solve for x
    x = 39,685,022,521/92,574
  6. Step 6: Final answer
    x = 428,684.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.