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Finding the Third Proportional to 13,721,244 and 18,814,419

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Solution

The third proportional to 13,721,244 and 18,814,419 is: 25,798,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721,244 : 18,814,419 = 18,814,419 : x
  2. Step 2: Convert to fraction form
    13,721,244/18,814,419 = 18,814,419/x
  3. Step 3: Cross multiply
    13,721,244x = 18,814,419 × 18,814,419
  4. Step 4: Simplify right side
    13,721,244x = 353,982,362,307,561
  5. Step 5: Solve for x
    x = 353,982,362,307,561/13,721,244
  6. Step 6: Final answer
    x = 25,798,124.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.