Home / 109,717-228,120

Finding the Third Proportional to 109,717 and 228,120

Calculator

Solution

The third proportional to 109,717 and 228,120 is: 474,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,717 : 228,120 = 228,120 : x
  2. Step 2: Convert to fraction form
    109,717/228,120 = 228,120/x
  3. Step 3: Cross multiply
    109,717x = 228,120 × 228,120
  4. Step 4: Simplify right side
    109,717x = 52,038,734,400
  5. Step 5: Solve for x
    x = 52,038,734,400/109,717
  6. Step 6: Final answer
    x = 474,299.65

Related Problems

Find third proportional to 54,858.50 and 114,060
Half scale
Find third proportional to 219,434 and 456,240
Double scale
Find third proportional to 109,719 and 228,124
Similar ratio
Find third proportional to 164,575.50 and 342,180
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.