Home / 129,147.75-273,685.50

Finding the Third Proportional to 129,147.75 and 273,685.50

Calculator

Solution

The third proportional to 129,147.75 and 273,685.50 is: 579,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,147.75 : 273,685.50 = 273,685.50 : x
  2. Step 2: Convert to fraction form
    129,147.75/273,685.50 = 273,685.50/x
  3. Step 3: Cross multiply
    129,147.75x = 273,685.50 × 273,685.50
  4. Step 4: Simplify right side
    129,147.75x = 74,903,752,910.25
  5. Step 5: Solve for x
    x = 74,903,752,910.25/129,147.75
  6. Step 6: Final answer
    x = 579,984.96

Related Problems

Find third proportional to 64,573.88 and 136,842.75
Half scale
Find third proportional to 258,295.50 and 547,371
Double scale
Find third proportional to 129,150 and 273,690
Similar ratio
Find third proportional to 193,721.63 and 410,528.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.