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Finding the Third Proportional to 3,237,989 and 7,127,947

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Solution

The third proportional to 3,237,989 and 7,127,947 is: 15,691,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237,989 : 7,127,947 = 7,127,947 : x
  2. Step 2: Convert to fraction form
    3,237,989/7,127,947 = 7,127,947/x
  3. Step 3: Cross multiply
    3,237,989x = 7,127,947 × 7,127,947
  4. Step 4: Simplify right side
    3,237,989x = 50,807,628,434,809
  5. Step 5: Solve for x
    x = 50,807,628,434,809/3,237,989
  6. Step 6: Final answer
    x = 15,691,105.94

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.