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Finding the Third Proportional to 8,845,339.50 and 18,920,324.25

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Solution

The third proportional to 8,845,339.50 and 18,920,324.25 is: 40,470,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845,339.50 : 18,920,324.25 = 18,920,324.25 : x
  2. Step 2: Convert to fraction form
    8,845,339.50/18,920,324.25 = 18,920,324.25/x
  3. Step 3: Cross multiply
    8,845,339.50x = 18,920,324.25 × 18,920,324.25
  4. Step 4: Simplify right side
    8,845,339.50x = 357,978,669,725,138.06
  5. Step 5: Solve for x
    x = 357,978,669,725,138.06/8,845,339.50
  6. Step 6: Final answer
    x = 40,470,879.58

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.