Home / 84,184-140,289

Finding the Third Proportional to 84,184 and 140,289

Calculator

Solution

The third proportional to 84,184 and 140,289 is: 233,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,184 : 140,289 = 140,289 : x
  2. Step 2: Convert to fraction form
    84,184/140,289 = 140,289/x
  3. Step 3: Cross multiply
    84,184x = 140,289 × 140,289
  4. Step 4: Simplify right side
    84,184x = 19,681,003,521
  5. Step 5: Solve for x
    x = 19,681,003,521/84,184
  6. Step 6: Final answer
    x = 233,785.56

Related Problems

Find third proportional to 42,092 and 70,144.50
Half scale
Find third proportional to 168,368 and 280,578
Double scale
Find third proportional to 84,186 and 140,292
Similar ratio
Find third proportional to 126,276 and 210,433.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.