Home / 88.17-135.63

Finding the Third Proportional to 88.17 and 135.63

Calculator

Solution

The third proportional to 88.17 and 135.63 is: 208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.17 : 135.63 = 135.63 : x
  2. Step 2: Convert to fraction form
    88.17/135.63 = 135.63/x
  3. Step 3: Cross multiply
    88.17x = 135.63 × 135.63
  4. Step 4: Simplify right side
    88.17x = 18,396.26
  5. Step 5: Solve for x
    x = 18,396.26/88.17
  6. Step 6: Final answer
    x = 208.64

Related Problems

Find third proportional to 44.09 and 67.82
Half scale
Find third proportional to 176.34 and 271.27
Double scale
Find third proportional to 90 and 139
Similar ratio
Find third proportional to 132.26 and 203.45
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.