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Finding the Third Proportional to 2,990,880 and 6,486,548

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Solution

The third proportional to 2,990,880 and 6,486,548 is: 14,067,867.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,880 : 6,486,548 = 6,486,548 : x
  2. Step 2: Convert to fraction form
    2,990,880/6,486,548 = 6,486,548/x
  3. Step 3: Cross multiply
    2,990,880x = 6,486,548 × 6,486,548
  4. Step 4: Simplify right side
    2,990,880x = 42,075,304,956,304
  5. Step 5: Solve for x
    x = 42,075,304,956,304/2,990,880
  6. Step 6: Final answer
    x = 14,067,867.97

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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.