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Finding the Third Proportional to 4,188,255 and 9,118,137

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Solution

The third proportional to 4,188,255 and 9,118,137 is: 19,850,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188,255 : 9,118,137 = 9,118,137 : x
  2. Step 2: Convert to fraction form
    4,188,255/9,118,137 = 9,118,137/x
  3. Step 3: Cross multiply
    4,188,255x = 9,118,137 × 9,118,137
  4. Step 4: Simplify right side
    4,188,255x = 83,140,422,350,769
  5. Step 5: Solve for x
    x = 83,140,422,350,769/4,188,255
  6. Step 6: Final answer
    x = 19,850,850.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.