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Finding the Third Proportional to 13,137,117 and 20,919,825

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Solution

The third proportional to 13,137,117 and 20,919,825 is: 33,313,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137,117 : 20,919,825 = 20,919,825 : x
  2. Step 2: Convert to fraction form
    13,137,117/20,919,825 = 20,919,825/x
  3. Step 3: Cross multiply
    13,137,117x = 20,919,825 × 20,919,825
  4. Step 4: Simplify right side
    13,137,117x = 437,639,078,030,625
  5. Step 5: Solve for x
    x = 437,639,078,030,625/13,137,117
  6. Step 6: Final answer
    x = 33,313,175.03

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.