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Finding the Third Proportional to 1,854,823.50 and 3,908,907

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Solution

The third proportional to 1,854,823.50 and 3,908,907 is: 8,237,740.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,823.50 : 3,908,907 = 3,908,907 : x
  2. Step 2: Convert to fraction form
    1,854,823.50/3,908,907 = 3,908,907/x
  3. Step 3: Cross multiply
    1,854,823.50x = 3,908,907 × 3,908,907
  4. Step 4: Simplify right side
    1,854,823.50x = 15,279,553,934,649
  5. Step 5: Solve for x
    x = 15,279,553,934,649/1,854,823.50
  6. Step 6: Final answer
    x = 8,237,740.11

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.