Home / 5,143,128.75-7,005,180.75

Finding the Third Proportional to 5,143,128.75 and 7,005,180.75

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Solution

The third proportional to 5,143,128.75 and 7,005,180.75 is: 9,541,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143,128.75 : 7,005,180.75 = 7,005,180.75 : x
  2. Step 2: Convert to fraction form
    5,143,128.75/7,005,180.75 = 7,005,180.75/x
  3. Step 3: Cross multiply
    5,143,128.75x = 7,005,180.75 × 7,005,180.75
  4. Step 4: Simplify right side
    5,143,128.75x = 49,072,557,340,170.56
  5. Step 5: Solve for x
    x = 49,072,557,340,170.56/5,143,128.75
  6. Step 6: Final answer
    x = 9,541,382.25

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.