Home / 122,302-252,220

Finding the Third Proportional to 122,302 and 252,220

Calculator

Solution

The third proportional to 122,302 and 252,220 is: 520,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,302 : 252,220 = 252,220 : x
  2. Step 2: Convert to fraction form
    122,302/252,220 = 252,220/x
  3. Step 3: Cross multiply
    122,302x = 252,220 × 252,220
  4. Step 4: Simplify right side
    122,302x = 63,614,928,400
  5. Step 5: Solve for x
    x = 63,614,928,400/122,302
  6. Step 6: Final answer
    x = 520,146.26

Related Problems

Find third proportional to 61,151 and 126,110
Half scale
Find third proportional to 244,604 and 504,440
Double scale
Find third proportional to 122,304 and 252,224
Similar ratio
Find third proportional to 183,453 and 378,330
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.