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Finding the Third Proportional to 2,990,891 and 6,486,574

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Solution

The third proportional to 2,990,891 and 6,486,574 is: 14,067,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,891 : 6,486,574 = 6,486,574 : x
  2. Step 2: Convert to fraction form
    2,990,891/6,486,574 = 6,486,574/x
  3. Step 3: Cross multiply
    2,990,891x = 6,486,574 × 6,486,574
  4. Step 4: Simplify right side
    2,990,891x = 42,075,642,257,476
  5. Step 5: Solve for x
    x = 42,075,642,257,476/2,990,891
  6. Step 6: Final answer
    x = 14,067,929.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.