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Finding the Third Proportional to 5,551,490 and 12,379,446

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Solution

The third proportional to 5,551,490 and 12,379,446 is: 27,605,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551,490 : 12,379,446 = 12,379,446 : x
  2. Step 2: Convert to fraction form
    5,551,490/12,379,446 = 12,379,446/x
  3. Step 3: Cross multiply
    5,551,490x = 12,379,446 × 12,379,446
  4. Step 4: Simplify right side
    5,551,490x = 153,250,683,266,916
  5. Step 5: Solve for x
    x = 153,250,683,266,916/5,551,490
  6. Step 6: Final answer
    x = 27,605,324.56

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.