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Finding the Third Proportional to 65,376,427.50 and 143,505,805.50

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Solution

The third proportional to 65,376,427.50 and 143,505,805.50 is: 315,005,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,376,427.50 : 143,505,805.50 = 143,505,805.50 : x
  2. Step 2: Convert to fraction form
    65,376,427.50/143,505,805.50 = 143,505,805.50/x
  3. Step 3: Cross multiply
    65,376,427.50x = 143,505,805.50 × 143,505,805.50
  4. Step 4: Simplify right side
    65,376,427.50x = 20,593,916,212,203,832
  5. Step 5: Solve for x
    x = 20,593,916,212,203,832/65,376,427.50
  6. Step 6: Final answer
    x = 315,005,224.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.