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Finding the Third Proportional to 9,198,620 and 19,350,544

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Solution

The third proportional to 9,198,620 and 19,350,544 is: 40,706,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198,620 : 19,350,544 = 19,350,544 : x
  2. Step 2: Convert to fraction form
    9,198,620/19,350,544 = 19,350,544/x
  3. Step 3: Cross multiply
    9,198,620x = 19,350,544 × 19,350,544
  4. Step 4: Simplify right side
    9,198,620x = 374,443,553,095,936
  5. Step 5: Solve for x
    x = 374,443,553,095,936/9,198,620
  6. Step 6: Final answer
    x = 40,706,492.18

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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.