Home / 59,180-129,820

Finding the Third Proportional to 59,180 and 129,820

Calculator

Solution

The third proportional to 59,180 and 129,820 is: 284,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,180 : 129,820 = 129,820 : x
  2. Step 2: Convert to fraction form
    59,180/129,820 = 129,820/x
  3. Step 3: Cross multiply
    59,180x = 129,820 × 129,820
  4. Step 4: Simplify right side
    59,180x = 16,853,232,400
  5. Step 5: Solve for x
    x = 16,853,232,400/59,180
  6. Step 6: Final answer
    x = 284,779.19

Related Problems

Find third proportional to 29,590 and 64,910
Half scale
Find third proportional to 118,360 and 259,640
Double scale
Find third proportional to 59,182 and 129,824
Similar ratio
Find third proportional to 88,770 and 194,730
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.