Home / 73.49-158.57

Finding the Third Proportional to 73.49 and 158.57

Calculator

Solution

The third proportional to 73.49 and 158.57 is: 342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.49 : 158.57 = 158.57 : x
  2. Step 2: Convert to fraction form
    73.49/158.57 = 158.57/x
  3. Step 3: Cross multiply
    73.49x = 158.57 × 158.57
  4. Step 4: Simplify right side
    73.49x = 25,145.16
  5. Step 5: Solve for x
    x = 25,145.16/73.49
  6. Step 6: Final answer
    x = 342.18

Related Problems

Find third proportional to 36.74 and 79.29
Half scale
Find third proportional to 146.97 and 317.14
Double scale
Find third proportional to 75 and 163
Similar ratio
Find third proportional to 110.23 and 237.86
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.