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Finding the Third Proportional to 13,103,372 and 20,268,309

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Solution

The third proportional to 13,103,372 and 20,268,309 is: 31,351,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,372 : 20,268,309 = 20,268,309 : x
  2. Step 2: Convert to fraction form
    13,103,372/20,268,309 = 20,268,309/x
  3. Step 3: Cross multiply
    13,103,372x = 20,268,309 × 20,268,309
  4. Step 4: Simplify right side
    13,103,372x = 410,804,349,719,481
  5. Step 5: Solve for x
    x = 410,804,349,719,481/13,103,372
  6. Step 6: Final answer
    x = 31,351,040.76

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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.