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Finding the Third Proportional to 39,126,170 and 85,810,604

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Solution

The third proportional to 39,126,170 and 85,810,604 is: 188,197,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126,170 : 85,810,604 = 85,810,604 : x
  2. Step 2: Convert to fraction form
    39,126,170/85,810,604 = 85,810,604/x
  3. Step 3: Cross multiply
    39,126,170x = 85,810,604 × 85,810,604
  4. Step 4: Simplify right side
    39,126,170x = 7,363,459,758,844,816
  5. Step 5: Solve for x
    x = 7,363,459,758,844,816/39,126,170
  6. Step 6: Final answer
    x = 188,197,816.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.