Home / 141.88-299.16

Finding the Third Proportional to 141.88 and 299.16

Calculator

Solution

The third proportional to 141.88 and 299.16 is: 630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.88 : 299.16 = 299.16 : x
  2. Step 2: Convert to fraction form
    141.88/299.16 = 299.16/x
  3. Step 3: Cross multiply
    141.88x = 299.16 × 299.16
  4. Step 4: Simplify right side
    141.88x = 89,494.46
  5. Step 5: Solve for x
    x = 89,494.46/141.88
  6. Step 6: Final answer
    x = 630.80

Related Problems

Find third proportional to 70.94 and 149.58
Half scale
Find third proportional to 283.75 and 598.31
Double scale
Find third proportional to 144 and 303
Similar ratio
Find third proportional to 212.81 and 448.73
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.