Home / 976-1,800

Finding the Third Proportional to 976 and 1,800

Calculator

Solution

The third proportional to 976 and 1,800 is: 3,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    976 : 1,800 = 1,800 : x
  2. Step 2: Convert to fraction form
    976/1,800 = 1,800/x
  3. Step 3: Cross multiply
    976x = 1,800 × 1,800
  4. Step 4: Simplify right side
    976x = 3,240,000
  5. Step 5: Solve for x
    x = 3,240,000/976
  6. Step 6: Final answer
    x = 3,319.67

Related Problems

Find third proportional to 488 and 900
Half scale
Find third proportional to 1,952 and 3,600
Double scale
Find third proportional to 978 and 1,804
Similar ratio
Find third proportional to 1,464 and 2,700
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.