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Finding the Third Proportional to 89,370 and 191,704

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Solution

The third proportional to 89,370 and 191,704 is: 411,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,370 : 191,704 = 191,704 : x
  2. Step 2: Convert to fraction form
    89,370/191,704 = 191,704/x
  3. Step 3: Cross multiply
    89,370x = 191,704 × 191,704
  4. Step 4: Simplify right side
    89,370x = 36,750,423,616
  5. Step 5: Solve for x
    x = 36,750,423,616/89,370
  6. Step 6: Final answer
    x = 411,216.56

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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.