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Finding the Third Proportional to 5,188,288.50 and 8,288,322.75

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Solution

The third proportional to 5,188,288.50 and 8,288,322.75 is: 13,240,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,288.50 : 8,288,322.75 = 8,288,322.75 : x
  2. Step 2: Convert to fraction form
    5,188,288.50/8,288,322.75 = 8,288,322.75/x
  3. Step 3: Cross multiply
    5,188,288.50x = 8,288,322.75 × 8,288,322.75
  4. Step 4: Simplify right side
    5,188,288.50x = 68,696,294,008,167.56
  5. Step 5: Solve for x
    x = 68,696,294,008,167.56/5,188,288.50
  6. Step 6: Final answer
    x = 13,240,646.51

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.