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Finding the Third Proportional to 2,644,975.69 and 3,957,211.13

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Solution

The third proportional to 2,644,975.69 and 3,957,211.13 is: 5,920,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644,975.69 : 3,957,211.13 = 3,957,211.13 : x
  2. Step 2: Convert to fraction form
    2,644,975.69/3,957,211.13 = 3,957,211.13/x
  3. Step 3: Cross multiply
    2,644,975.69x = 3,957,211.13 × 3,957,211.13
  4. Step 4: Simplify right side
    2,644,975.69x = 15,659,519,887,823.77
  5. Step 5: Solve for x
    x = 15,659,519,887,823.77/2,644,975.69
  6. Step 6: Final answer
    x = 5,920,477.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.