Home / 870,716.25-1,319,220

Finding the Third Proportional to 870,716.25 and 1,319,220

Calculator

Solution

The third proportional to 870,716.25 and 1,319,220 is: 1,998,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,716.25 : 1,319,220 = 1,319,220 : x
  2. Step 2: Convert to fraction form
    870,716.25/1,319,220 = 1,319,220/x
  3. Step 3: Cross multiply
    870,716.25x = 1,319,220 × 1,319,220
  4. Step 4: Simplify right side
    870,716.25x = 1,740,341,408,400
  5. Step 5: Solve for x
    x = 1,740,341,408,400/870,716.25
  6. Step 6: Final answer
    x = 1,998,746.90

Related Problems

Find third proportional to 435,358.13 and 659,610
Half scale
Find third proportional to 1,741,432.50 and 2,638,440
Double scale
Find third proportional to 870,718 and 1,319,223
Similar ratio
Find third proportional to 1,306,074.38 and 1,978,830
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.