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Finding the Third Proportional to 3,900,726 and 5,177,219

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Solution

The third proportional to 3,900,726 and 5,177,219 is: 6,871,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,726 : 5,177,219 = 5,177,219 : x
  2. Step 2: Convert to fraction form
    3,900,726/5,177,219 = 5,177,219/x
  3. Step 3: Cross multiply
    3,900,726x = 5,177,219 × 5,177,219
  4. Step 4: Simplify right side
    3,900,726x = 26,803,596,573,961
  5. Step 5: Solve for x
    x = 26,803,596,573,961/3,900,726
  6. Step 6: Final answer
    x = 6,871,437.93

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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.