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Finding the Third Proportional to 54,831,879 and 120,426,054

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Solution

The third proportional to 54,831,879 and 120,426,054 is: 264,489,102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831,879 : 120,426,054 = 120,426,054 : x
  2. Step 2: Convert to fraction form
    54,831,879/120,426,054 = 120,426,054/x
  3. Step 3: Cross multiply
    54,831,879x = 120,426,054 × 120,426,054
  4. Step 4: Simplify right side
    54,831,879x = 14,502,434,482,010,916
  5. Step 5: Solve for x
    x = 14,502,434,482,010,916/54,831,879
  6. Step 6: Final answer
    x = 264,489,102.81

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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.