Home / 86,490-126,387

Finding the Third Proportional to 86,490 and 126,387

Calculator

Solution

The third proportional to 86,490 and 126,387 is: 184,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,490 : 126,387 = 126,387 : x
  2. Step 2: Convert to fraction form
    86,490/126,387 = 126,387/x
  3. Step 3: Cross multiply
    86,490x = 126,387 × 126,387
  4. Step 4: Simplify right side
    86,490x = 15,973,673,769
  5. Step 5: Solve for x
    x = 15,973,673,769/86,490
  6. Step 6: Final answer
    x = 184,688.10

Related Problems

Find third proportional to 43,245 and 63,193.50
Half scale
Find third proportional to 172,980 and 252,774
Double scale
Find third proportional to 86,492 and 126,390
Similar ratio
Find third proportional to 129,735 and 189,580.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.