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Finding the Third Proportional to 8,821,370 and 18,994,346

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Solution

The third proportional to 8,821,370 and 18,994,346 is: 40,898,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821,370 : 18,994,346 = 18,994,346 : x
  2. Step 2: Convert to fraction form
    8,821,370/18,994,346 = 18,994,346/x
  3. Step 3: Cross multiply
    8,821,370x = 18,994,346 × 18,994,346
  4. Step 4: Simplify right side
    8,821,370x = 360,785,179,967,716
  5. Step 5: Solve for x
    x = 360,785,179,967,716/8,821,370
  6. Step 6: Final answer
    x = 40,898,996.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.