Home / 623.25-985.88

Finding the Third Proportional to 623.25 and 985.88

Calculator

Solution

The third proportional to 623.25 and 985.88 is: 1,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.25 : 985.88 = 985.88 : x
  2. Step 2: Convert to fraction form
    623.25/985.88 = 985.88/x
  3. Step 3: Cross multiply
    623.25x = 985.88 × 985.88
  4. Step 4: Simplify right side
    623.25x = 971,949.52
  5. Step 5: Solve for x
    x = 971,949.52/623.25
  6. Step 6: Final answer
    x = 1,559.49

Related Problems

Find third proportional to 311.63 and 492.94
Half scale
Find third proportional to 1,246.50 and 1,971.75
Double scale
Find third proportional to 625 and 989
Similar ratio
Find third proportional to 934.88 and 1,478.81
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.