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Finding the Third Proportional to 89,328.75 and 191,613

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Solution

The third proportional to 89,328.75 and 191,613 is: 411,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,328.75 : 191,613 = 191,613 : x
  2. Step 2: Convert to fraction form
    89,328.75/191,613 = 191,613/x
  3. Step 3: Cross multiply
    89,328.75x = 191,613 × 191,613
  4. Step 4: Simplify right side
    89,328.75x = 36,715,541,769
  5. Step 5: Solve for x
    x = 36,715,541,769/89,328.75
  6. Step 6: Final answer
    x = 411,015.96

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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.