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Finding the Third Proportional to 3,541,869 and 7,509,365.50

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Solution

The third proportional to 3,541,869 and 7,509,365.50 is: 15,921,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541,869 : 7,509,365.50 = 7,509,365.50 : x
  2. Step 2: Convert to fraction form
    3,541,869/7,509,365.50 = 7,509,365.50/x
  3. Step 3: Cross multiply
    3,541,869x = 7,509,365.50 × 7,509,365.50
  4. Step 4: Simplify right side
    3,541,869x = 56,390,570,212,590.25
  5. Step 5: Solve for x
    x = 56,390,570,212,590.25/3,541,869
  6. Step 6: Final answer
    x = 15,921,133.79

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.