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Finding the Third Proportional to 43,840 and 93,147

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Solution

The third proportional to 43,840 and 93,147 is: 197,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,840 : 93,147 = 93,147 : x
  2. Step 2: Convert to fraction form
    43,840/93,147 = 93,147/x
  3. Step 3: Cross multiply
    43,840x = 93,147 × 93,147
  4. Step 4: Simplify right side
    43,840x = 8,676,363,609
  5. Step 5: Solve for x
    x = 8,676,363,609/43,840
  6. Step 6: Final answer
    x = 197,909.75

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.