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Finding the Third Proportional to 55,897,848 and 122,158,836

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Solution

The third proportional to 55,897,848 and 122,158,836 is: 266,965,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,897,848 : 122,158,836 = 122,158,836 : x
  2. Step 2: Convert to fraction form
    55,897,848/122,158,836 = 122,158,836/x
  3. Step 3: Cross multiply
    55,897,848x = 122,158,836 × 122,158,836
  4. Step 4: Simplify right side
    55,897,848x = 14,922,781,212,874,896
  5. Step 5: Solve for x
    x = 14,922,781,212,874,896/55,897,848
  6. Step 6: Final answer
    x = 266,965,218.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.