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Finding the Third Proportional to 3,980,601,748.13 and 8,637,843,847.50

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Solution

The third proportional to 3,980,601,748.13 and 8,637,843,847.50 is: 18,743,986,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,601,748.13 : 8,637,843,847.50 = 8,637,843,847.50 : x
  2. Step 2: Convert to fraction form
    3,980,601,748.13/8,637,843,847.50 = 8,637,843,847.50/x
  3. Step 3: Cross multiply
    3,980,601,748.13x = 8,637,843,847.50 × 8,637,843,847.50
  4. Step 4: Simplify right side
    3,980,601,748.13x = 74,612,346,333,793,599,488
  5. Step 5: Solve for x
    x = 74,612,346,333,793,599,488/3,980,601,748.13
  6. Step 6: Final answer
    x = 18,743,986,727.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.