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Finding the Third Proportional to 5,488,584.05 and 11,804,890.64

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Solution

The third proportional to 5,488,584.05 and 11,804,890.64 is: 25,390,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488,584.05 : 11,804,890.64 = 11,804,890.64 : x
  2. Step 2: Convert to fraction form
    5,488,584.05/11,804,890.64 = 11,804,890.64/x
  3. Step 3: Cross multiply
    5,488,584.05x = 11,804,890.64 × 11,804,890.64
  4. Step 4: Simplify right side
    5,488,584.05x = 139,355,443,037,115.72
  5. Step 5: Solve for x
    x = 139,355,443,037,115.72/5,488,584.05
  6. Step 6: Final answer
    x = 25,390,053.58

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.