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Finding the Third Proportional to 55,778,450 and 120,819,064

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Solution

The third proportional to 55,778,450 and 120,819,064 is: 261,700,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,778,450 : 120,819,064 = 120,819,064 : x
  2. Step 2: Convert to fraction form
    55,778,450/120,819,064 = 120,819,064/x
  3. Step 3: Cross multiply
    55,778,450x = 120,819,064 × 120,819,064
  4. Step 4: Simplify right side
    55,778,450x = 14,597,246,225,836,096
  5. Step 5: Solve for x
    x = 14,597,246,225,836,096/55,778,450
  6. Step 6: Final answer
    x = 261,700,463.63

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