Home / 123,258-252,356

Finding the Third Proportional to 123,258 and 252,356

Calculator

Solution

The third proportional to 123,258 and 252,356 is: 516,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,258 : 252,356 = 252,356 : x
  2. Step 2: Convert to fraction form
    123,258/252,356 = 252,356/x
  3. Step 3: Cross multiply
    123,258x = 252,356 × 252,356
  4. Step 4: Simplify right side
    123,258x = 63,683,550,736
  5. Step 5: Solve for x
    x = 63,683,550,736/123,258
  6. Step 6: Final answer
    x = 516,668.70

Related Problems

Find third proportional to 61,629 and 126,178
Half scale
Find third proportional to 246,516 and 504,712
Double scale
Find third proportional to 123,260 and 252,360
Similar ratio
Find third proportional to 184,887 and 378,534
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.