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Finding the Third Proportional to 39,431,533.50 and 86,283,866

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Solution

The third proportional to 39,431,533.50 and 86,283,866 is: 188,805,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431,533.50 : 86,283,866 = 86,283,866 : x
  2. Step 2: Convert to fraction form
    39,431,533.50/86,283,866 = 86,283,866/x
  3. Step 3: Cross multiply
    39,431,533.50x = 86,283,866 × 86,283,866
  4. Step 4: Simplify right side
    39,431,533.50x = 7,444,905,531,905,956
  5. Step 5: Solve for x
    x = 7,444,905,531,905,956/39,431,533.50
  6. Step 6: Final answer
    x = 188,805,883.80

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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.