Home / 81,244-178,184

Finding the Third Proportional to 81,244 and 178,184

Calculator

Solution

The third proportional to 81,244 and 178,184 is: 390,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,244 : 178,184 = 178,184 : x
  2. Step 2: Convert to fraction form
    81,244/178,184 = 178,184/x
  3. Step 3: Cross multiply
    81,244x = 178,184 × 178,184
  4. Step 4: Simplify right side
    81,244x = 31,749,537,856
  5. Step 5: Solve for x
    x = 31,749,537,856/81,244
  6. Step 6: Final answer
    x = 390,792.40

Related Problems

Find third proportional to 40,622 and 89,092
Half scale
Find third proportional to 162,488 and 356,368
Double scale
Find third proportional to 81,246 and 178,188
Similar ratio
Find third proportional to 121,866 and 267,276
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.