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Finding the Third Proportional to 4,686,390.75 and 6,218,340.75

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Solution

The third proportional to 4,686,390.75 and 6,218,340.75 is: 8,251,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686,390.75 : 6,218,340.75 = 6,218,340.75 : x
  2. Step 2: Convert to fraction form
    4,686,390.75/6,218,340.75 = 6,218,340.75/x
  3. Step 3: Cross multiply
    4,686,390.75x = 6,218,340.75 × 6,218,340.75
  4. Step 4: Simplify right side
    4,686,390.75x = 38,667,761,683,110.56
  5. Step 5: Solve for x
    x = 38,667,761,683,110.56/4,686,390.75
  6. Step 6: Final answer
    x = 8,251,075.03

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.