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Finding the Third Proportional to 87,297,546 and 121,380,259.50

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Solution

The third proportional to 87,297,546 and 121,380,259.50 is: 168,769,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,297,546 : 121,380,259.50 = 121,380,259.50 : x
  2. Step 2: Convert to fraction form
    87,297,546/121,380,259.50 = 121,380,259.50/x
  3. Step 3: Cross multiply
    87,297,546x = 121,380,259.50 × 121,380,259.50
  4. Step 4: Simplify right side
    87,297,546x = 14,733,167,396,287,340
  5. Step 5: Solve for x
    x = 14,733,167,396,287,340/87,297,546
  6. Step 6: Final answer
    x = 168,769,548.19

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.