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Finding the Third Proportional to 4,489,813.55 and 9,848,743.17

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Solution

The third proportional to 4,489,813.55 and 9,848,743.17 is: 21,603,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489,813.55 : 9,848,743.17 = 9,848,743.17 : x
  2. Step 2: Convert to fraction form
    4,489,813.55/9,848,743.17 = 9,848,743.17/x
  3. Step 3: Cross multiply
    4,489,813.55x = 9,848,743.17 × 9,848,743.17
  4. Step 4: Simplify right side
    4,489,813.55x = 96,997,742,065,554.44
  5. Step 5: Solve for x
    x = 96,997,742,065,554.44/4,489,813.55
  6. Step 6: Final answer
    x = 21,603,957.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.