Home / 130,615-266,765

Finding the Third Proportional to 130,615 and 266,765

Calculator

Solution

The third proportional to 130,615 and 266,765 is: 544,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,615 : 266,765 = 266,765 : x
  2. Step 2: Convert to fraction form
    130,615/266,765 = 266,765/x
  3. Step 3: Cross multiply
    130,615x = 266,765 × 266,765
  4. Step 4: Simplify right side
    130,615x = 71,163,565,225
  5. Step 5: Solve for x
    x = 71,163,565,225/130,615
  6. Step 6: Final answer
    x = 544,834.55

Related Problems

Find third proportional to 65,307.50 and 133,382.50
Half scale
Find third proportional to 261,230 and 533,530
Double scale
Find third proportional to 130,617 and 266,769
Similar ratio
Find third proportional to 195,922.50 and 400,147.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.