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Finding the Third Proportional to 13,843,531 and 21,490,855

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Solution

The third proportional to 13,843,531 and 21,490,855 is: 33,362,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843,531 : 21,490,855 = 21,490,855 : x
  2. Step 2: Convert to fraction form
    13,843,531/21,490,855 = 21,490,855/x
  3. Step 3: Cross multiply
    13,843,531x = 21,490,855 × 21,490,855
  4. Step 4: Simplify right side
    13,843,531x = 461,856,848,631,025
  5. Step 5: Solve for x
    x = 461,856,848,631,025/13,843,531
  6. Step 6: Final answer
    x = 33,362,647.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.