Home / 870,849-1,319,400

Finding the Third Proportional to 870,849 and 1,319,400

Calculator

Solution

The third proportional to 870,849 and 1,319,400 is: 1,998,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,849 : 1,319,400 = 1,319,400 : x
  2. Step 2: Convert to fraction form
    870,849/1,319,400 = 1,319,400/x
  3. Step 3: Cross multiply
    870,849x = 1,319,400 × 1,319,400
  4. Step 4: Simplify right side
    870,849x = 1,740,816,360,000
  5. Step 5: Solve for x
    x = 1,740,816,360,000/870,849
  6. Step 6: Final answer
    x = 1,998,987.61

Related Problems

Find third proportional to 435,424.50 and 659,700
Half scale
Find third proportional to 1,741,698 and 2,638,800
Double scale
Find third proportional to 870,851 and 1,319,403
Similar ratio
Find third proportional to 1,306,273.50 and 1,979,100
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.