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Finding the Third Proportional to 1,646,981.86 and 3,568,876.45

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Solution

The third proportional to 1,646,981.86 and 3,568,876.45 is: 7,733,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,981.86 : 3,568,876.45 = 3,568,876.45 : x
  2. Step 2: Convert to fraction form
    1,646,981.86/3,568,876.45 = 3,568,876.45/x
  3. Step 3: Cross multiply
    1,646,981.86x = 3,568,876.45 × 3,568,876.45
  4. Step 4: Simplify right side
    1,646,981.86x = 12,736,879,137,670.08
  5. Step 5: Solve for x
    x = 12,736,879,137,670.08/1,646,981.86
  6. Step 6: Final answer
    x = 7,733,466.56

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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.