Home / 129,270-270,252

Finding the Third Proportional to 129,270 and 270,252

Calculator

Solution

The third proportional to 129,270 and 270,252 is: 564,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,270 : 270,252 = 270,252 : x
  2. Step 2: Convert to fraction form
    129,270/270,252 = 270,252/x
  3. Step 3: Cross multiply
    129,270x = 270,252 × 270,252
  4. Step 4: Simplify right side
    129,270x = 73,036,143,504
  5. Step 5: Solve for x
    x = 73,036,143,504/129,270
  6. Step 6: Final answer
    x = 564,989.12

Related Problems

Find third proportional to 64,635 and 135,126
Half scale
Find third proportional to 258,540 and 540,504
Double scale
Find third proportional to 129,272 and 270,256
Similar ratio
Find third proportional to 193,905 and 405,378
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.