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Finding the Third Proportional to 70,443 and 104,500

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Solution

The third proportional to 70,443 and 104,500 is: 155,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,443 : 104,500 = 104,500 : x
  2. Step 2: Convert to fraction form
    70,443/104,500 = 104,500/x
  3. Step 3: Cross multiply
    70,443x = 104,500 × 104,500
  4. Step 4: Simplify right side
    70,443x = 10,920,250,000
  5. Step 5: Solve for x
    x = 10,920,250,000/70,443
  6. Step 6: Final answer
    x = 155,022.50

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.