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Finding the Third Proportional to 39,315,567 and 61,540,137

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Solution

The third proportional to 39,315,567 and 61,540,137 is: 96,327,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,315,567 : 61,540,137 = 61,540,137 : x
  2. Step 2: Convert to fraction form
    39,315,567/61,540,137 = 61,540,137/x
  3. Step 3: Cross multiply
    39,315,567x = 61,540,137 × 61,540,137
  4. Step 4: Simplify right side
    39,315,567x = 3,787,188,461,978,769
  5. Step 5: Solve for x
    x = 3,787,188,461,978,769/39,315,567
  6. Step 6: Final answer
    x = 96,327,962.46

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.