Home / 983-1,420

Finding the Third Proportional to 983 and 1,420

Calculator

Solution

The third proportional to 983 and 1,420 is: 2,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    983 : 1,420 = 1,420 : x
  2. Step 2: Convert to fraction form
    983/1,420 = 1,420/x
  3. Step 3: Cross multiply
    983x = 1,420 × 1,420
  4. Step 4: Simplify right side
    983x = 2,016,400
  5. Step 5: Solve for x
    x = 2,016,400/983
  6. Step 6: Final answer
    x = 2,051.27

Related Problems

Find third proportional to 491.50 and 710
Half scale
Find third proportional to 1,966 and 2,840
Double scale
Find third proportional to 985 and 1,423
Similar ratio
Find third proportional to 1,474.50 and 2,130
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.