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Finding the Third Proportional to 7,139,720 and 10,876,923

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Solution

The third proportional to 7,139,720 and 10,876,923 is: 16,570,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,720 : 10,876,923 = 10,876,923 : x
  2. Step 2: Convert to fraction form
    7,139,720/10,876,923 = 10,876,923/x
  3. Step 3: Cross multiply
    7,139,720x = 10,876,923 × 10,876,923
  4. Step 4: Simplify right side
    7,139,720x = 118,307,453,947,929
  5. Step 5: Solve for x
    x = 118,307,453,947,929/7,139,720
  6. Step 6: Final answer
    x = 16,570,321.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.