Home / 887.75-1,271.25

Finding the Third Proportional to 887.75 and 1,271.25

Calculator

Solution

The third proportional to 887.75 and 1,271.25 is: 1,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.75 : 1,271.25 = 1,271.25 : x
  2. Step 2: Convert to fraction form
    887.75/1,271.25 = 1,271.25/x
  3. Step 3: Cross multiply
    887.75x = 1,271.25 × 1,271.25
  4. Step 4: Simplify right side
    887.75x = 1,616,076.56
  5. Step 5: Solve for x
    x = 1,616,076.56/887.75
  6. Step 6: Final answer
    x = 1,820.42

Related Problems

Find third proportional to 443.88 and 635.63
Half scale
Find third proportional to 1,775.50 and 2,542.50
Double scale
Find third proportional to 890 and 1,274
Similar ratio
Find third proportional to 1,331.63 and 1,906.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.