Home / 227.81-355.01

Finding the Third Proportional to 227.81 and 355.01

Calculator

Solution

The third proportional to 227.81 and 355.01 is: 553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.81 : 355.01 = 355.01 : x
  2. Step 2: Convert to fraction form
    227.81/355.01 = 355.01/x
  3. Step 3: Cross multiply
    227.81x = 355.01 × 355.01
  4. Step 4: Simplify right side
    227.81x = 126,030.55
  5. Step 5: Solve for x
    x = 126,030.55/227.81
  6. Step 6: Final answer
    x = 553.22

Related Problems

Find third proportional to 113.91 and 177.50
Half scale
Find third proportional to 455.63 and 710.02
Double scale
Find third proportional to 230 and 358
Similar ratio
Find third proportional to 341.72 and 532.51
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.