Home / 481-684.50

Finding the Third Proportional to 481 and 684.50

Calculator

Solution

The third proportional to 481 and 684.50 is: 974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    481 : 684.50 = 684.50 : x
  2. Step 2: Convert to fraction form
    481/684.50 = 684.50/x
  3. Step 3: Cross multiply
    481x = 684.50 × 684.50
  4. Step 4: Simplify right side
    481x = 468,540.25
  5. Step 5: Solve for x
    x = 468,540.25/481
  6. Step 6: Final answer
    x = 974.10

Related Problems

Find third proportional to 240.50 and 342.25
Half scale
Find third proportional to 962 and 1,369
Double scale
Find third proportional to 483 and 687
Similar ratio
Find third proportional to 721.50 and 1,026.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.