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Finding the Third Proportional to 8,564,868 and 18,622,728

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Solution

The third proportional to 8,564,868 and 18,622,728 is: 40,491,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564,868 : 18,622,728 = 18,622,728 : x
  2. Step 2: Convert to fraction form
    8,564,868/18,622,728 = 18,622,728/x
  3. Step 3: Cross multiply
    8,564,868x = 18,622,728 × 18,622,728
  4. Step 4: Simplify right side
    8,564,868x = 346,805,998,161,984
  5. Step 5: Solve for x
    x = 346,805,998,161,984/8,564,868
  6. Step 6: Final answer
    x = 40,491,692.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.