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Finding the Third Proportional to 90,024.75 and 195,318

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Solution

The third proportional to 90,024.75 and 195,318 is: 423,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,024.75 : 195,318 = 195,318 : x
  2. Step 2: Convert to fraction form
    90,024.75/195,318 = 195,318/x
  3. Step 3: Cross multiply
    90,024.75x = 195,318 × 195,318
  4. Step 4: Simplify right side
    90,024.75x = 38,149,121,124
  5. Step 5: Solve for x
    x = 38,149,121,124/90,024.75
  6. Step 6: Final answer
    x = 423,762.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.