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Finding the Third Proportional to 73,858 and 103,635

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Solution

The third proportional to 73,858 and 103,635 is: 145,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,858 : 103,635 = 103,635 : x
  2. Step 2: Convert to fraction form
    73,858/103,635 = 103,635/x
  3. Step 3: Cross multiply
    73,858x = 103,635 × 103,635
  4. Step 4: Simplify right side
    73,858x = 10,740,213,225
  5. Step 5: Solve for x
    x = 10,740,213,225/73,858
  6. Step 6: Final answer
    x = 145,417.06

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.