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Finding the Third Proportional to 6,420,936 and 8,804,664

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Solution

The third proportional to 6,420,936 and 8,804,664 is: 12,073,334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,936 : 8,804,664 = 8,804,664 : x
  2. Step 2: Convert to fraction form
    6,420,936/8,804,664 = 8,804,664/x
  3. Step 3: Cross multiply
    6,420,936x = 8,804,664 × 8,804,664
  4. Step 4: Simplify right side
    6,420,936x = 77,522,108,152,896
  5. Step 5: Solve for x
    x = 77,522,108,152,896/6,420,936
  6. Step 6: Final answer
    x = 12,073,334.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.