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Finding the Third Proportional to 13,997,155.75 and 20,015,956.88

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Solution

The third proportional to 13,997,155.75 and 20,015,956.88 is: 28,622,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,155.75 : 20,015,956.88 = 20,015,956.88 : x
  2. Step 2: Convert to fraction form
    13,997,155.75/20,015,956.88 = 20,015,956.88/x
  3. Step 3: Cross multiply
    13,997,155.75x = 20,015,956.88 × 20,015,956.88
  4. Step 4: Simplify right side
    13,997,155.75x = 400,638,529,621,859.75
  5. Step 5: Solve for x
    x = 400,638,529,621,859.75/13,997,155.75
  6. Step 6: Final answer
    x = 28,622,852.87

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1.5x scale

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.