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Finding the Third Proportional to 43,290 and 94,521

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Solution

The third proportional to 43,290 and 94,521 is: 206,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290 : 94,521 = 94,521 : x
  2. Step 2: Convert to fraction form
    43,290/94,521 = 94,521/x
  3. Step 3: Cross multiply
    43,290x = 94,521 × 94,521
  4. Step 4: Simplify right side
    43,290x = 8,934,219,441
  5. Step 5: Solve for x
    x = 8,934,219,441/43,290
  6. Step 6: Final answer
    x = 206,380.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.