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Finding the Third Proportional to 55,583,336 and 122,474,920

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Solution

The third proportional to 55,583,336 and 122,474,920 is: 269,866,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,583,336 : 122,474,920 = 122,474,920 : x
  2. Step 2: Convert to fraction form
    55,583,336/122,474,920 = 122,474,920/x
  3. Step 3: Cross multiply
    55,583,336x = 122,474,920 × 122,474,920
  4. Step 4: Simplify right side
    55,583,336x = 15,000,106,029,006,400
  5. Step 5: Solve for x
    x = 15,000,106,029,006,400/55,583,336
  6. Step 6: Final answer
    x = 269,866,962.09

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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.