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Finding the Third Proportional to 4,220,558 and 8,590,274

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Solution

The third proportional to 4,220,558 and 8,590,274 is: 17,484,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220,558 : 8,590,274 = 8,590,274 : x
  2. Step 2: Convert to fraction form
    4,220,558/8,590,274 = 8,590,274/x
  3. Step 3: Cross multiply
    4,220,558x = 8,590,274 × 8,590,274
  4. Step 4: Simplify right side
    4,220,558x = 73,792,807,395,076
  5. Step 5: Solve for x
    x = 73,792,807,395,076/4,220,558
  6. Step 6: Final answer
    x = 17,484,135.37

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.