Home / 28,130-66,403

Finding the Third Proportional to 28,130 and 66,403

Calculator

Solution

The third proportional to 28,130 and 66,403 is: 156,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,130 : 66,403 = 66,403 : x
  2. Step 2: Convert to fraction form
    28,130/66,403 = 66,403/x
  3. Step 3: Cross multiply
    28,130x = 66,403 × 66,403
  4. Step 4: Simplify right side
    28,130x = 4,409,358,409
  5. Step 5: Solve for x
    x = 4,409,358,409/28,130
  6. Step 6: Final answer
    x = 156,749.32

Related Problems

Find third proportional to 14,065 and 33,201.50
Half scale
Find third proportional to 56,260 and 132,806
Double scale
Find third proportional to 28,132 and 66,408
Similar ratio
Find third proportional to 42,195 and 99,604.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.