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Finding the Third Proportional to 13,208,456 and 18,251,108

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Solution

The third proportional to 13,208,456 and 18,251,108 is: 25,218,916.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,456 : 18,251,108 = 18,251,108 : x
  2. Step 2: Convert to fraction form
    13,208,456/18,251,108 = 18,251,108/x
  3. Step 3: Cross multiply
    13,208,456x = 18,251,108 × 18,251,108
  4. Step 4: Simplify right side
    13,208,456x = 333,102,943,227,664
  5. Step 5: Solve for x
    x = 333,102,943,227,664/13,208,456
  6. Step 6: Final answer
    x = 25,218,916.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.