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Finding the Third Proportional to 1,575,286.73 and 3,436,852.78

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Solution

The third proportional to 1,575,286.73 and 3,436,852.78 is: 7,498,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,286.73 : 3,436,852.78 = 3,436,852.78 : x
  2. Step 2: Convert to fraction form
    1,575,286.73/3,436,852.78 = 3,436,852.78/x
  3. Step 3: Cross multiply
    1,575,286.73x = 3,436,852.78 × 3,436,852.78
  4. Step 4: Simplify right side
    1,575,286.73x = 11,811,957,039,985.86
  5. Step 5: Solve for x
    x = 11,811,957,039,985.86/1,575,286.73
  6. Step 6: Final answer
    x = 7,498,290.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.