Home / 121,708-262,142

Finding the Third Proportional to 121,708 and 262,142

Calculator

Solution

The third proportional to 121,708 and 262,142 is: 564,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,708 : 262,142 = 262,142 : x
  2. Step 2: Convert to fraction form
    121,708/262,142 = 262,142/x
  3. Step 3: Cross multiply
    121,708x = 262,142 × 262,142
  4. Step 4: Simplify right side
    121,708x = 68,718,428,164
  5. Step 5: Solve for x
    x = 68,718,428,164/121,708
  6. Step 6: Final answer
    x = 564,617.18

Related Problems

Find third proportional to 60,854 and 131,071
Half scale
Find third proportional to 243,416 and 524,284
Double scale
Find third proportional to 121,710 and 262,146
Similar ratio
Find third proportional to 182,562 and 393,213
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.