Home / 89,685-190,305

Finding the Third Proportional to 89,685 and 190,305

Calculator

Solution

The third proportional to 89,685 and 190,305 is: 403,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,685 : 190,305 = 190,305 : x
  2. Step 2: Convert to fraction form
    89,685/190,305 = 190,305/x
  3. Step 3: Cross multiply
    89,685x = 190,305 × 190,305
  4. Step 4: Simplify right side
    89,685x = 36,215,993,025
  5. Step 5: Solve for x
    x = 36,215,993,025/89,685
  6. Step 6: Final answer
    x = 403,813.27

Related Problems

Find third proportional to 44,842.50 and 95,152.50
Half scale
Find third proportional to 179,370 and 380,610
Double scale
Find third proportional to 89,687 and 190,309
Similar ratio
Find third proportional to 134,527.50 and 285,457.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.