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Finding the Third Proportional to 13,380,111 and 21,266,455

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Solution

The third proportional to 13,380,111 and 21,266,455 is: 33,801,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,111 : 21,266,455 = 21,266,455 : x
  2. Step 2: Convert to fraction form
    13,380,111/21,266,455 = 21,266,455/x
  3. Step 3: Cross multiply
    13,380,111x = 21,266,455 × 21,266,455
  4. Step 4: Simplify right side
    13,380,111x = 452,262,108,267,025
  5. Step 5: Solve for x
    x = 452,262,108,267,025/13,380,111
  6. Step 6: Final answer
    x = 33,801,072.97

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.