Home / 32-70.50

Finding the Third Proportional to 32 and 70.50

Calculator

Solution

The third proportional to 32 and 70.50 is: 155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32 : 70.50 = 70.50 : x
  2. Step 2: Convert to fraction form
    32/70.50 = 70.50/x
  3. Step 3: Cross multiply
    32x = 70.50 × 70.50
  4. Step 4: Simplify right side
    32x = 4,970.25
  5. Step 5: Solve for x
    x = 4,970.25/32
  6. Step 6: Final answer
    x = 155.32

Related Problems

Find third proportional to 16 and 35.25
Half scale
Find third proportional to 64 and 141
Double scale
Find third proportional to 34 and 75
Similar ratio
Find third proportional to 48 and 105.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.