Home / 480.09-715.71

Finding the Third Proportional to 480.09 and 715.71

Calculator

Solution

The third proportional to 480.09 and 715.71 is: 1,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.09 : 715.71 = 715.71 : x
  2. Step 2: Convert to fraction form
    480.09/715.71 = 715.71/x
  3. Step 3: Cross multiply
    480.09x = 715.71 × 715.71
  4. Step 4: Simplify right side
    480.09x = 512,242.15
  5. Step 5: Solve for x
    x = 512,242.15/480.09
  6. Step 6: Final answer
    x = 1,066.96

Related Problems

Find third proportional to 240.05 and 357.86
Half scale
Find third proportional to 960.19 and 1,431.42
Double scale
Find third proportional to 482 and 719
Similar ratio
Find third proportional to 720.14 and 1,073.57
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.