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Finding the Third Proportional to 8,731,392.75 and 18,367,686

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Solution

The third proportional to 8,731,392.75 and 18,367,686 is: 38,638,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,392.75 : 18,367,686 = 18,367,686 : x
  2. Step 2: Convert to fraction form
    8,731,392.75/18,367,686 = 18,367,686/x
  3. Step 3: Cross multiply
    8,731,392.75x = 18,367,686 × 18,367,686
  4. Step 4: Simplify right side
    8,731,392.75x = 337,371,888,994,596
  5. Step 5: Solve for x
    x = 337,371,888,994,596/8,731,392.75
  6. Step 6: Final answer
    x = 38,638,954.71

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.