Home / 121,494-255,272

Finding the Third Proportional to 121,494 and 255,272

Calculator

Solution

The third proportional to 121,494 and 255,272 is: 536,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,494 : 255,272 = 255,272 : x
  2. Step 2: Convert to fraction form
    121,494/255,272 = 255,272/x
  3. Step 3: Cross multiply
    121,494x = 255,272 × 255,272
  4. Step 4: Simplify right side
    121,494x = 65,163,793,984
  5. Step 5: Solve for x
    x = 65,163,793,984/121,494
  6. Step 6: Final answer
    x = 536,354.01

Related Problems

Find third proportional to 60,747 and 127,636
Half scale
Find third proportional to 242,988 and 510,544
Double scale
Find third proportional to 121,496 and 255,276
Similar ratio
Find third proportional to 182,241 and 382,908
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.