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Finding the Third Proportional to 8,449,983 and 18,246,977

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Solution

The third proportional to 8,449,983 and 18,246,977 is: 39,402,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,983 : 18,246,977 = 18,246,977 : x
  2. Step 2: Convert to fraction form
    8,449,983/18,246,977 = 18,246,977/x
  3. Step 3: Cross multiply
    8,449,983x = 18,246,977 × 18,246,977
  4. Step 4: Simplify right side
    8,449,983x = 332,952,169,638,529
  5. Step 5: Solve for x
    x = 332,952,169,638,529/8,449,983
  6. Step 6: Final answer
    x = 39,402,702.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.