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Finding the Third Proportional to 2,758,782.38 and 4,542,618.38

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Solution

The third proportional to 2,758,782.38 and 4,542,618.38 is: 7,479,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,782.38 : 4,542,618.38 = 4,542,618.38 : x
  2. Step 2: Convert to fraction form
    2,758,782.38/4,542,618.38 = 4,542,618.38/x
  3. Step 3: Cross multiply
    2,758,782.38x = 4,542,618.38 × 4,542,618.38
  4. Step 4: Simplify right side
    2,758,782.38x = 20,635,381,700,887.64
  5. Step 5: Solve for x
    x = 20,635,381,700,887.64/2,758,782.38
  6. Step 6: Final answer
    x = 7,479,887.46

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.