Home / 39,278,211.19-85,355,157.38

Finding the Third Proportional to 39,278,211.19 and 85,355,157.38

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Solution

The third proportional to 39,278,211.19 and 85,355,157.38 is: 185,484,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278,211.19 : 85,355,157.38 = 85,355,157.38 : x
  2. Step 2: Convert to fraction form
    39,278,211.19/85,355,157.38 = 85,355,157.38/x
  3. Step 3: Cross multiply
    39,278,211.19x = 85,355,157.38 × 85,355,157.38
  4. Step 4: Simplify right side
    39,278,211.19x = 7,285,502,890,511,017
  5. Step 5: Solve for x
    x = 7,285,502,890,511,017/39,278,211.19
  6. Step 6: Final answer
    x = 185,484,589.81

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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.