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Finding the Third Proportional to 5,520,186 and 11,880,180

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Solution

The third proportional to 5,520,186 and 11,880,180 is: 25,567,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520,186 : 11,880,180 = 11,880,180 : x
  2. Step 2: Convert to fraction form
    5,520,186/11,880,180 = 11,880,180/x
  3. Step 3: Cross multiply
    5,520,186x = 11,880,180 × 11,880,180
  4. Step 4: Simplify right side
    5,520,186x = 141,138,676,832,400
  5. Step 5: Solve for x
    x = 141,138,676,832,400/5,520,186
  6. Step 6: Final answer
    x = 25,567,739.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.