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Finding the Third Proportional to 202,401 and 321,692

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Solution

The third proportional to 202,401 and 321,692 is: 511,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,401 : 321,692 = 321,692 : x
  2. Step 2: Convert to fraction form
    202,401/321,692 = 321,692/x
  3. Step 3: Cross multiply
    202,401x = 321,692 × 321,692
  4. Step 4: Simplify right side
    202,401x = 103,485,742,864
  5. Step 5: Solve for x
    x = 103,485,742,864/202,401
  6. Step 6: Final answer
    x = 511,290.67

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.