Home / 107,220-228,690

Finding the Third Proportional to 107,220 and 228,690

Calculator

Solution

The third proportional to 107,220 and 228,690 is: 487,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,220 : 228,690 = 228,690 : x
  2. Step 2: Convert to fraction form
    107,220/228,690 = 228,690/x
  3. Step 3: Cross multiply
    107,220x = 228,690 × 228,690
  4. Step 4: Simplify right side
    107,220x = 52,299,116,100
  5. Step 5: Solve for x
    x = 52,299,116,100/107,220
  6. Step 6: Final answer
    x = 487,773.89

Related Problems

Find third proportional to 53,610 and 114,345
Half scale
Find third proportional to 214,440 and 457,380
Double scale
Find third proportional to 107,222 and 228,694
Similar ratio
Find third proportional to 160,830 and 343,035
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.