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Finding the Third Proportional to 200,012,178 and 300,550,800

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Solution

The third proportional to 200,012,178 and 300,550,800 is: 451,626,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,012,178 : 300,550,800 = 300,550,800 : x
  2. Step 2: Convert to fraction form
    200,012,178/300,550,800 = 300,550,800/x
  3. Step 3: Cross multiply
    200,012,178x = 300,550,800 × 300,550,800
  4. Step 4: Simplify right side
    200,012,178x = 90,330,783,380,640,000
  5. Step 5: Solve for x
    x = 90,330,783,380,640,000/200,012,178
  6. Step 6: Final answer
    x = 451,626,417.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.