Home / 31,191,707.81-69,555,408.75

Finding the Third Proportional to 31,191,707.81 and 69,555,408.75

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Solution

The third proportional to 31,191,707.81 and 69,555,408.75 is: 155,103,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191,707.81 : 69,555,408.75 = 69,555,408.75 : x
  2. Step 2: Convert to fraction form
    31,191,707.81/69,555,408.75 = 69,555,408.75/x
  3. Step 3: Cross multiply
    31,191,707.81x = 69,555,408.75 × 69,555,408.75
  4. Step 4: Simplify right side
    31,191,707.81x = 4,837,954,886,379,577
  5. Step 5: Solve for x
    x = 4,837,954,886,379,577/31,191,707.81
  6. Step 6: Final answer
    x = 155,103,879.39

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.