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Finding the Third Proportional to 8,967,809,389.50 and 19,266,470,560.50

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Solution

The third proportional to 8,967,809,389.50 and 19,266,470,560.50 is: 41,392,147,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967,809,389.50 : 19,266,470,560.50 = 19,266,470,560.50 : x
  2. Step 2: Convert to fraction form
    8,967,809,389.50/19,266,470,560.50 = 19,266,470,560.50/x
  3. Step 3: Cross multiply
    8,967,809,389.50x = 19,266,470,560.50 × 19,266,470,560.50
  4. Step 4: Simplify right side
    8,967,809,389.50x = 371,196,887,858,613,190,656
  5. Step 5: Solve for x
    x = 371,196,887,858,613,190,656/8,967,809,389.50
  6. Step 6: Final answer
    x = 41,392,147,372.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.