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Finding the Third Proportional to 3,872,475 and 8,509,266

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Solution

The third proportional to 3,872,475 and 8,509,266 is: 18,698,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,475 : 8,509,266 = 8,509,266 : x
  2. Step 2: Convert to fraction form
    3,872,475/8,509,266 = 8,509,266/x
  3. Step 3: Cross multiply
    3,872,475x = 8,509,266 × 8,509,266
  4. Step 4: Simplify right side
    3,872,475x = 72,407,607,858,756
  5. Step 5: Solve for x
    x = 72,407,607,858,756/3,872,475
  6. Step 6: Final answer
    x = 18,698,018.16

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.