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Finding the Third Proportional to 8,622,869 and 13,526,720

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Solution

The third proportional to 8,622,869 and 13,526,720 is: 21,219,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,869 : 13,526,720 = 13,526,720 : x
  2. Step 2: Convert to fraction form
    8,622,869/13,526,720 = 13,526,720/x
  3. Step 3: Cross multiply
    8,622,869x = 13,526,720 × 13,526,720
  4. Step 4: Simplify right side
    8,622,869x = 182,972,153,958,400
  5. Step 5: Solve for x
    x = 182,972,153,958,400/8,622,869
  6. Step 6: Final answer
    x = 21,219,405.51

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.