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Finding the Third Proportional to 4,040,208 and 8,640,768

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Solution

The third proportional to 4,040,208 and 8,640,768 is: 18,479,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040,208 : 8,640,768 = 8,640,768 : x
  2. Step 2: Convert to fraction form
    4,040,208/8,640,768 = 8,640,768/x
  3. Step 3: Cross multiply
    4,040,208x = 8,640,768 × 8,640,768
  4. Step 4: Simplify right side
    4,040,208x = 74,662,871,629,824
  5. Step 5: Solve for x
    x = 74,662,871,629,824/4,040,208
  6. Step 6: Final answer
    x = 18,479,957.38

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.