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Finding the Third Proportional to 3,740,391 and 8,078,652

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Solution

The third proportional to 3,740,391 and 8,078,652 is: 17,448,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740,391 : 8,078,652 = 8,078,652 : x
  2. Step 2: Convert to fraction form
    3,740,391/8,078,652 = 8,078,652/x
  3. Step 3: Cross multiply
    3,740,391x = 8,078,652 × 8,078,652
  4. Step 4: Simplify right side
    3,740,391x = 65,264,618,137,104
  5. Step 5: Solve for x
    x = 65,264,618,137,104/3,740,391
  6. Step 6: Final answer
    x = 17,448,608.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.