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Finding the Third Proportional to 55,759,535 and 120,786,219

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Solution

The third proportional to 55,759,535 and 120,786,219 is: 261,646,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,759,535 : 120,786,219 = 120,786,219 : x
  2. Step 2: Convert to fraction form
    55,759,535/120,786,219 = 120,786,219/x
  3. Step 3: Cross multiply
    55,759,535x = 120,786,219 × 120,786,219
  4. Step 4: Simplify right side
    55,759,535x = 14,589,310,700,315,960
  5. Step 5: Solve for x
    x = 14,589,310,700,315,960/55,759,535
  6. Step 6: Final answer
    x = 261,646,921.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.