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Finding the Third Proportional to 5,135,892 and 12,145,818

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Solution

The third proportional to 5,135,892 and 12,145,818 is: 28,723,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,892 : 12,145,818 = 12,145,818 : x
  2. Step 2: Convert to fraction form
    5,135,892/12,145,818 = 12,145,818/x
  3. Step 3: Cross multiply
    5,135,892x = 12,145,818 × 12,145,818
  4. Step 4: Simplify right side
    5,135,892x = 147,520,894,889,124
  5. Step 5: Solve for x
    x = 147,520,894,889,124/5,135,892
  6. Step 6: Final answer
    x = 28,723,519.67

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.