Home / 63,486-130,812

Finding the Third Proportional to 63,486 and 130,812

Calculator

Solution

The third proportional to 63,486 and 130,812 is: 269,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,486 : 130,812 = 130,812 : x
  2. Step 2: Convert to fraction form
    63,486/130,812 = 130,812/x
  3. Step 3: Cross multiply
    63,486x = 130,812 × 130,812
  4. Step 4: Simplify right side
    63,486x = 17,111,779,344
  5. Step 5: Solve for x
    x = 17,111,779,344/63,486
  6. Step 6: Final answer
    x = 269,536.27

Related Problems

Find third proportional to 31,743 and 65,406
Half scale
Find third proportional to 126,972 and 261,624
Double scale
Find third proportional to 63,488 and 130,816
Similar ratio
Find third proportional to 95,229 and 196,218
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.