Home / 18,278,311.50-39,707,708.63

Finding the Third Proportional to 18,278,311.50 and 39,707,708.63

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Solution

The third proportional to 18,278,311.50 and 39,707,708.63 is: 86,260,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278,311.50 : 39,707,708.63 = 39,707,708.63 : x
  2. Step 2: Convert to fraction form
    18,278,311.50/39,707,708.63 = 39,707,708.63/x
  3. Step 3: Cross multiply
    18,278,311.50x = 39,707,708.63 × 39,707,708.63
  4. Step 4: Simplify right side
    18,278,311.50x = 1,576,702,124,247,899.50
  5. Step 5: Solve for x
    x = 1,576,702,124,247,899.50/18,278,311.50
  6. Step 6: Final answer
    x = 86,260,819.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.