Home / 9,139,163.63-19,853,868.38

Finding the Third Proportional to 9,139,163.63 and 19,853,868.38

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Solution

The third proportional to 9,139,163.63 and 19,853,868.38 is: 43,130,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,163.63 : 19,853,868.38 = 19,853,868.38 : x
  2. Step 2: Convert to fraction form
    9,139,163.63/19,853,868.38 = 19,853,868.38/x
  3. Step 3: Cross multiply
    9,139,163.63x = 19,853,868.38 × 19,853,868.38
  4. Step 4: Simplify right side
    9,139,163.63x = 394,176,089,451,825.12
  5. Step 5: Solve for x
    x = 394,176,089,451,825.12/9,139,163.63
  6. Step 6: Final answer
    x = 43,130,433.55

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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.