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Finding the Third Proportional to 300,644,079.75 and 628,777,086.75

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Solution

The third proportional to 300,644,079.75 and 628,777,086.75 is: 1,315,045,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,644,079.75 : 628,777,086.75 = 628,777,086.75 : x
  2. Step 2: Convert to fraction form
    300,644,079.75/628,777,086.75 = 628,777,086.75/x
  3. Step 3: Cross multiply
    300,644,079.75x = 628,777,086.75 × 628,777,086.75
  4. Step 4: Simplify right side
    300,644,079.75x = 395,360,624,821,817,024
  5. Step 5: Solve for x
    x = 395,360,624,821,817,024/300,644,079.75
  6. Step 6: Final answer
    x = 1,315,045,435.62

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.