Home / 18,101-28,130

Finding the Third Proportional to 18,101 and 28,130

Calculator

Solution

The third proportional to 18,101 and 28,130 is: 43,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101 : 28,130 = 28,130 : x
  2. Step 2: Convert to fraction form
    18,101/28,130 = 28,130/x
  3. Step 3: Cross multiply
    18,101x = 28,130 × 28,130
  4. Step 4: Simplify right side
    18,101x = 791,296,900
  5. Step 5: Solve for x
    x = 791,296,900/18,101
  6. Step 6: Final answer
    x = 43,715.65

Related Problems

Find third proportional to 9,050.50 and 14,065
Half scale
Find third proportional to 36,202 and 56,260
Double scale
Find third proportional to 18,103 and 28,133
Similar ratio
Find third proportional to 27,151.50 and 42,195
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.