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Finding the Third Proportional to 1,304,621.50 and 1,990,676

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Solution

The third proportional to 1,304,621.50 and 1,990,676 is: 3,037,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,621.50 : 1,990,676 = 1,990,676 : x
  2. Step 2: Convert to fraction form
    1,304,621.50/1,990,676 = 1,990,676/x
  3. Step 3: Cross multiply
    1,304,621.50x = 1,990,676 × 1,990,676
  4. Step 4: Simplify right side
    1,304,621.50x = 3,962,790,936,976
  5. Step 5: Solve for x
    x = 3,962,790,936,976/1,304,621.50
  6. Step 6: Final answer
    x = 3,037,502.40

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.