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Finding the Third Proportional to 89,925 and 195,717

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Solution

The third proportional to 89,925 and 195,717 is: 425,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,925 : 195,717 = 195,717 : x
  2. Step 2: Convert to fraction form
    89,925/195,717 = 195,717/x
  3. Step 3: Cross multiply
    89,925x = 195,717 × 195,717
  4. Step 4: Simplify right side
    89,925x = 38,305,144,089
  5. Step 5: Solve for x
    x = 38,305,144,089/89,925
  6. Step 6: Final answer
    x = 425,967.69

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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.