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Finding the Third Proportional to 1,834,764.75 and 3,905,725.50

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Solution

The third proportional to 1,834,764.75 and 3,905,725.50 is: 8,314,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,764.75 : 3,905,725.50 = 3,905,725.50 : x
  2. Step 2: Convert to fraction form
    1,834,764.75/3,905,725.50 = 3,905,725.50/x
  3. Step 3: Cross multiply
    1,834,764.75x = 3,905,725.50 × 3,905,725.50
  4. Step 4: Simplify right side
    1,834,764.75x = 15,254,691,681,350.25
  5. Step 5: Solve for x
    x = 15,254,691,681,350.25/1,834,764.75
  6. Step 6: Final answer
    x = 8,314,249.38

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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.