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Finding the Third Proportional to 13,511,040 and 20,912,818

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Solution

The third proportional to 13,511,040 and 20,912,818 is: 32,369,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,040 : 20,912,818 = 20,912,818 : x
  2. Step 2: Convert to fraction form
    13,511,040/20,912,818 = 20,912,818/x
  3. Step 3: Cross multiply
    13,511,040x = 20,912,818 × 20,912,818
  4. Step 4: Simplify right side
    13,511,040x = 437,345,956,701,124
  5. Step 5: Solve for x
    x = 437,345,956,701,124/13,511,040
  6. Step 6: Final answer
    x = 32,369,525.71

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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.