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Finding the Third Proportional to 175,519,188 and 378,010,728

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Solution

The third proportional to 175,519,188 and 378,010,728 is: 814,111,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,519,188 : 378,010,728 = 378,010,728 : x
  2. Step 2: Convert to fraction form
    175,519,188/378,010,728 = 378,010,728/x
  3. Step 3: Cross multiply
    175,519,188x = 378,010,728 × 378,010,728
  4. Step 4: Simplify right side
    175,519,188x = 142,892,110,483,089,984
  5. Step 5: Solve for x
    x = 142,892,110,483,089,984/175,519,188
  6. Step 6: Final answer
    x = 814,111,050.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.