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Finding the Third Proportional to 2,990,698 and 6,560,398

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Solution

The third proportional to 2,990,698 and 6,560,398 is: 14,390,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,698 : 6,560,398 = 6,560,398 : x
  2. Step 2: Convert to fraction form
    2,990,698/6,560,398 = 6,560,398/x
  3. Step 3: Cross multiply
    2,990,698x = 6,560,398 × 6,560,398
  4. Step 4: Simplify right side
    2,990,698x = 43,038,821,918,404
  5. Step 5: Solve for x
    x = 43,038,821,918,404/2,990,698
  6. Step 6: Final answer
    x = 14,390,895.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.