Home / 28,148-43,638

Finding the Third Proportional to 28,148 and 43,638

Calculator

Solution

The third proportional to 28,148 and 43,638 is: 67,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148 : 43,638 = 43,638 : x
  2. Step 2: Convert to fraction form
    28,148/43,638 = 43,638/x
  3. Step 3: Cross multiply
    28,148x = 43,638 × 43,638
  4. Step 4: Simplify right side
    28,148x = 1,904,275,044
  5. Step 5: Solve for x
    x = 1,904,275,044/28,148
  6. Step 6: Final answer
    x = 67,652.23

Related Problems

Find third proportional to 14,074 and 21,819
Half scale
Find third proportional to 56,296 and 87,276
Double scale
Find third proportional to 28,150 and 43,641
Similar ratio
Find third proportional to 42,222 and 65,457
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.