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Finding the Third Proportional to 100,214,694.75 and 209,592,365.25

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Solution

The third proportional to 100,214,694.75 and 209,592,365.25 is: 438,348,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,214,694.75 : 209,592,365.25 = 209,592,365.25 : x
  2. Step 2: Convert to fraction form
    100,214,694.75/209,592,365.25 = 209,592,365.25/x
  3. Step 3: Cross multiply
    100,214,694.75x = 209,592,365.25 × 209,592,365.25
  4. Step 4: Simplify right side
    100,214,694.75x = 43,928,959,571,089,408
  5. Step 5: Solve for x
    x = 43,928,959,571,089,408/100,214,694.75
  6. Step 6: Final answer
    x = 438,348,484.53

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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.