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Finding the Third Proportional to 218,302 and 477,185

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Solution

The third proportional to 218,302 and 477,185 is: 1,043,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,302 : 477,185 = 477,185 : x
  2. Step 2: Convert to fraction form
    218,302/477,185 = 477,185/x
  3. Step 3: Cross multiply
    218,302x = 477,185 × 477,185
  4. Step 4: Simplify right side
    218,302x = 227,705,524,225
  5. Step 5: Solve for x
    x = 227,705,524,225/218,302
  6. Step 6: Final answer
    x = 1,043,075.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.