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Finding the Third Proportional to 367,086 and 778,236

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Solution

The third proportional to 367,086 and 778,236 is: 1,649,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,086 : 778,236 = 778,236 : x
  2. Step 2: Convert to fraction form
    367,086/778,236 = 778,236/x
  3. Step 3: Cross multiply
    367,086x = 778,236 × 778,236
  4. Step 4: Simplify right side
    367,086x = 605,651,271,696
  5. Step 5: Solve for x
    x = 605,651,271,696/367,086
  6. Step 6: Final answer
    x = 1,649,889.32

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.