Home / 963-1,728.50

Finding the Third Proportional to 963 and 1,728.50

Calculator

Solution

The third proportional to 963 and 1,728.50 is: 3,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    963 : 1,728.50 = 1,728.50 : x
  2. Step 2: Convert to fraction form
    963/1,728.50 = 1,728.50/x
  3. Step 3: Cross multiply
    963x = 1,728.50 × 1,728.50
  4. Step 4: Simplify right side
    963x = 2,987,712.25
  5. Step 5: Solve for x
    x = 2,987,712.25/963
  6. Step 6: Final answer
    x = 3,102.50

Related Problems

Find third proportional to 481.50 and 864.25
Half scale
Find third proportional to 1,926 and 3,457
Double scale
Find third proportional to 965 and 1,732
Similar ratio
Find third proportional to 1,444.50 and 2,592.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.