Home / 649.25-986

Finding the Third Proportional to 649.25 and 986

Calculator

Solution

The third proportional to 649.25 and 986 is: 1,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    649.25 : 986 = 986 : x
  2. Step 2: Convert to fraction form
    649.25/986 = 986/x
  3. Step 3: Cross multiply
    649.25x = 986 × 986
  4. Step 4: Simplify right side
    649.25x = 972,196
  5. Step 5: Solve for x
    x = 972,196/649.25
  6. Step 6: Final answer
    x = 1,497.41

Related Problems

Find third proportional to 324.63 and 493
Half scale
Find third proportional to 1,298.50 and 1,972
Double scale
Find third proportional to 651 and 989
Similar ratio
Find third proportional to 973.88 and 1,479
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.