Home / 121,146-255,522

Finding the Third Proportional to 121,146 and 255,522

Calculator

Solution

The third proportional to 121,146 and 255,522 is: 538,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,146 : 255,522 = 255,522 : x
  2. Step 2: Convert to fraction form
    121,146/255,522 = 255,522/x
  3. Step 3: Cross multiply
    121,146x = 255,522 × 255,522
  4. Step 4: Simplify right side
    121,146x = 65,291,492,484
  5. Step 5: Solve for x
    x = 65,291,492,484/121,146
  6. Step 6: Final answer
    x = 538,948.81

Related Problems

Find third proportional to 60,573 and 127,761
Half scale
Find third proportional to 242,292 and 511,044
Double scale
Find third proportional to 121,148 and 255,526
Similar ratio
Find third proportional to 181,719 and 383,283
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.