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Finding the Third Proportional to 39,319,888 and 86,198,064

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Solution

The third proportional to 39,319,888 and 86,198,064 is: 188,965,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,319,888 : 86,198,064 = 86,198,064 : x
  2. Step 2: Convert to fraction form
    39,319,888/86,198,064 = 86,198,064/x
  3. Step 3: Cross multiply
    39,319,888x = 86,198,064 × 86,198,064
  4. Step 4: Simplify right side
    39,319,888x = 7,430,106,237,348,096
  5. Step 5: Solve for x
    x = 7,430,106,237,348,096/39,319,888
  6. Step 6: Final answer
    x = 188,965,600.24

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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.