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Finding the Third Proportional to 993,275 and 2,143,922

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Solution

The third proportional to 993,275 and 2,143,922 is: 4,627,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,275 : 2,143,922 = 2,143,922 : x
  2. Step 2: Convert to fraction form
    993,275/2,143,922 = 2,143,922/x
  3. Step 3: Cross multiply
    993,275x = 2,143,922 × 2,143,922
  4. Step 4: Simplify right side
    993,275x = 4,596,401,542,084
  5. Step 5: Solve for x
    x = 4,596,401,542,084/993,275
  6. Step 6: Final answer
    x = 4,627,521.63

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.