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Finding the Third Proportional to 13,997,157.75 and 20,015,959.50

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Solution

The third proportional to 13,997,157.75 and 20,015,959.50 is: 28,622,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,157.75 : 20,015,959.50 = 20,015,959.50 : x
  2. Step 2: Convert to fraction form
    13,997,157.75/20,015,959.50 = 20,015,959.50/x
  3. Step 3: Cross multiply
    13,997,157.75x = 20,015,959.50 × 20,015,959.50
  4. Step 4: Simplify right side
    13,997,157.75x = 400,638,634,705,640.25
  5. Step 5: Solve for x
    x = 400,638,634,705,640.25/13,997,157.75
  6. Step 6: Final answer
    x = 28,622,856.29

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.