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Finding the Third Proportional to 1,885,216.78 and 4,069,255.22

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Solution

The third proportional to 1,885,216.78 and 4,069,255.22 is: 8,783,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,216.78 : 4,069,255.22 = 4,069,255.22 : x
  2. Step 2: Convert to fraction form
    1,885,216.78/4,069,255.22 = 4,069,255.22/x
  3. Step 3: Cross multiply
    1,885,216.78x = 4,069,255.22 × 4,069,255.22
  4. Step 4: Simplify right side
    1,885,216.78x = 16,558,838,035,324.11
  5. Step 5: Solve for x
    x = 16,558,838,035,324.11/1,885,216.78
  6. Step 6: Final answer
    x = 8,783,519.33

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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.