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Finding the Third Proportional to 5,143,280 and 11,200,912

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Solution

The third proportional to 5,143,280 and 11,200,912 is: 24,393,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143,280 : 11,200,912 = 11,200,912 : x
  2. Step 2: Convert to fraction form
    5,143,280/11,200,912 = 11,200,912/x
  3. Step 3: Cross multiply
    5,143,280x = 11,200,912 × 11,200,912
  4. Step 4: Simplify right side
    5,143,280x = 125,460,429,631,744
  5. Step 5: Solve for x
    x = 125,460,429,631,744/5,143,280
  6. Step 6: Final answer
    x = 24,393,077.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.