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Finding the Third Proportional to 70,045 and 104,820

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Solution

The third proportional to 70,045 and 104,820 is: 156,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,045 : 104,820 = 104,820 : x
  2. Step 2: Convert to fraction form
    70,045/104,820 = 104,820/x
  3. Step 3: Cross multiply
    70,045x = 104,820 × 104,820
  4. Step 4: Simplify right side
    70,045x = 10,987,232,400
  5. Step 5: Solve for x
    x = 10,987,232,400/70,045
  6. Step 6: Final answer
    x = 156,859.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.