Home / 36,317-81,139

Finding the Third Proportional to 36,317 and 81,139

Calculator

Solution

The third proportional to 36,317 and 81,139 is: 181,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,317 : 81,139 = 81,139 : x
  2. Step 2: Convert to fraction form
    36,317/81,139 = 81,139/x
  3. Step 3: Cross multiply
    36,317x = 81,139 × 81,139
  4. Step 4: Simplify right side
    36,317x = 6,583,537,321
  5. Step 5: Solve for x
    x = 6,583,537,321/36,317
  6. Step 6: Final answer
    x = 181,279.77

Related Problems

Find third proportional to 18,158.50 and 40,569.50
Half scale
Find third proportional to 72,634 and 162,278
Double scale
Find third proportional to 36,319 and 81,143
Similar ratio
Find third proportional to 54,475.50 and 121,708.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.