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Finding the Third Proportional to 2,166,010.88 and 3,367,478.81

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Solution

The third proportional to 2,166,010.88 and 3,367,478.81 is: 5,235,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,010.88 : 3,367,478.81 = 3,367,478.81 : x
  2. Step 2: Convert to fraction form
    2,166,010.88/3,367,478.81 = 3,367,478.81/x
  3. Step 3: Cross multiply
    2,166,010.88x = 3,367,478.81 × 3,367,478.81
  4. Step 4: Simplify right side
    2,166,010.88x = 11,339,913,552,636.41
  5. Step 5: Solve for x
    x = 11,339,913,552,636.41/2,166,010.88
  6. Step 6: Final answer
    x = 5,235,390.87

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.