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Finding the Third Proportional to 18,562,221 and 39,968,010

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Solution

The third proportional to 18,562,221 and 39,968,010 is: 86,058,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562,221 : 39,968,010 = 39,968,010 : x
  2. Step 2: Convert to fraction form
    18,562,221/39,968,010 = 39,968,010/x
  3. Step 3: Cross multiply
    18,562,221x = 39,968,010 × 39,968,010
  4. Step 4: Simplify right side
    18,562,221x = 1,597,441,823,360,100
  5. Step 5: Solve for x
    x = 1,597,441,823,360,100/18,562,221
  6. Step 6: Final answer
    x = 86,058,765.45

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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.