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Finding the Third Proportional to 5,240,660 and 11,111,168

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Solution

The third proportional to 5,240,660 and 11,111,168 is: 23,557,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240,660 : 11,111,168 = 11,111,168 : x
  2. Step 2: Convert to fraction form
    5,240,660/11,111,168 = 11,111,168/x
  3. Step 3: Cross multiply
    5,240,660x = 11,111,168 × 11,111,168
  4. Step 4: Simplify right side
    5,240,660x = 123,458,054,324,224
  5. Step 5: Solve for x
    x = 123,458,054,324,224/5,240,660
  6. Step 6: Final answer
    x = 23,557,730.20

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.