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Finding the Third Proportional to 13,612,622 and 21,088,173

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Solution

The third proportional to 13,612,622 and 21,088,173 is: 32,669,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,622 : 21,088,173 = 21,088,173 : x
  2. Step 2: Convert to fraction form
    13,612,622/21,088,173 = 21,088,173/x
  3. Step 3: Cross multiply
    13,612,622x = 21,088,173 × 21,088,173
  4. Step 4: Simplify right side
    13,612,622x = 444,711,040,477,929
  5. Step 5: Solve for x
    x = 444,711,040,477,929/13,612,622
  6. Step 6: Final answer
    x = 32,669,021.48

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.