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Finding the Third Proportional to 368,388 and 814,201

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Solution

The third proportional to 368,388 and 814,201 is: 1,799,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,388 : 814,201 = 814,201 : x
  2. Step 2: Convert to fraction form
    368,388/814,201 = 814,201/x
  3. Step 3: Cross multiply
    368,388x = 814,201 × 814,201
  4. Step 4: Simplify right side
    368,388x = 662,923,268,401
  5. Step 5: Solve for x
    x = 662,923,268,401/368,388
  6. Step 6: Final answer
    x = 1,799,524.60

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.