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Finding the Third Proportional to 5,521,903.50 and 11,863,509

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Solution

The third proportional to 5,521,903.50 and 11,863,509 is: 25,488,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521,903.50 : 11,863,509 = 11,863,509 : x
  2. Step 2: Convert to fraction form
    5,521,903.50/11,863,509 = 11,863,509/x
  3. Step 3: Cross multiply
    5,521,903.50x = 11,863,509 × 11,863,509
  4. Step 4: Simplify right side
    5,521,903.50x = 140,742,845,793,081
  5. Step 5: Solve for x
    x = 140,742,845,793,081/5,521,903.50
  6. Step 6: Final answer
    x = 25,488,103.11

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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.