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Finding the Third Proportional to 1,017,990 and 1,574,811

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Solution

The third proportional to 1,017,990 and 1,574,811 is: 2,436,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,990 : 1,574,811 = 1,574,811 : x
  2. Step 2: Convert to fraction form
    1,017,990/1,574,811 = 1,574,811/x
  3. Step 3: Cross multiply
    1,017,990x = 1,574,811 × 1,574,811
  4. Step 4: Simplify right side
    1,017,990x = 2,480,029,685,721
  5. Step 5: Solve for x
    x = 2,480,029,685,721/1,017,990
  6. Step 6: Final answer
    x = 2,436,202.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.