Home / 485.25-1,056.75

Finding the Third Proportional to 485.25 and 1,056.75

Calculator

Solution

The third proportional to 485.25 and 1,056.75 is: 2,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    485.25 : 1,056.75 = 1,056.75 : x
  2. Step 2: Convert to fraction form
    485.25/1,056.75 = 1,056.75/x
  3. Step 3: Cross multiply
    485.25x = 1,056.75 × 1,056.75
  4. Step 4: Simplify right side
    485.25x = 1,116,720.56
  5. Step 5: Solve for x
    x = 1,116,720.56/485.25
  6. Step 6: Final answer
    x = 2,301.33

Related Problems

Find third proportional to 242.63 and 528.38
Half scale
Find third proportional to 970.50 and 2,113.50
Double scale
Find third proportional to 487 and 1,061
Similar ratio
Find third proportional to 727.88 and 1,585.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.