Home / 131.91-176.91

Finding the Third Proportional to 131.91 and 176.91

Calculator

Solution

The third proportional to 131.91 and 176.91 is: 237.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.91 : 176.91 = 176.91 : x
  2. Step 2: Convert to fraction form
    131.91/176.91 = 176.91/x
  3. Step 3: Cross multiply
    131.91x = 176.91 × 176.91
  4. Step 4: Simplify right side
    131.91x = 31,295.82
  5. Step 5: Solve for x
    x = 31,295.82/131.91
  6. Step 6: Final answer
    x = 237.26

Related Problems

Find third proportional to 65.95 and 88.45
Half scale
Find third proportional to 263.81 and 353.81
Double scale
Find third proportional to 134 and 180
Similar ratio
Find third proportional to 197.86 and 265.36
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.