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Finding the Third Proportional to 8,990,316 and 19,419,248

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Solution

The third proportional to 8,990,316 and 19,419,248 is: 41,945,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,316 : 19,419,248 = 19,419,248 : x
  2. Step 2: Convert to fraction form
    8,990,316/19,419,248 = 19,419,248/x
  3. Step 3: Cross multiply
    8,990,316x = 19,419,248 × 19,419,248
  4. Step 4: Simplify right side
    8,990,316x = 377,107,192,885,504
  5. Step 5: Solve for x
    x = 377,107,192,885,504/8,990,316
  6. Step 6: Final answer
    x = 41,945,933.03

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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.