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Finding the Third Proportional to 1,854,556.50 and 3,954,078

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Solution

The third proportional to 1,854,556.50 and 3,954,078 is: 8,430,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,556.50 : 3,954,078 = 3,954,078 : x
  2. Step 2: Convert to fraction form
    1,854,556.50/3,954,078 = 3,954,078/x
  3. Step 3: Cross multiply
    1,854,556.50x = 3,954,078 × 3,954,078
  4. Step 4: Simplify right side
    1,854,556.50x = 15,634,732,830,084
  5. Step 5: Solve for x
    x = 15,634,732,830,084/1,854,556.50
  6. Step 6: Final answer
    x = 8,430,442.98

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.