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Finding the Third Proportional to 55,709,086 and 122,179,868

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Solution

The third proportional to 55,709,086 and 122,179,868 is: 267,962,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,709,086 : 122,179,868 = 122,179,868 : x
  2. Step 2: Convert to fraction form
    55,709,086/122,179,868 = 122,179,868/x
  3. Step 3: Cross multiply
    55,709,086x = 122,179,868 × 122,179,868
  4. Step 4: Simplify right side
    55,709,086x = 14,927,920,144,497,424
  5. Step 5: Solve for x
    x = 14,927,920,144,497,424/55,709,086
  6. Step 6: Final answer
    x = 267,962,036.65

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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.