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Finding the Third Proportional to 8,990,310 and 19,419,236

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Solution

The third proportional to 8,990,310 and 19,419,236 is: 41,945,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,310 : 19,419,236 = 19,419,236 : x
  2. Step 2: Convert to fraction form
    8,990,310/19,419,236 = 19,419,236/x
  3. Step 3: Cross multiply
    8,990,310x = 19,419,236 × 19,419,236
  4. Step 4: Simplify right side
    8,990,310x = 377,106,726,823,696
  5. Step 5: Solve for x
    x = 377,106,726,823,696/8,990,310
  6. Step 6: Final answer
    x = 41,945,909.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.