Home / 183.38-387

Finding the Third Proportional to 183.38 and 387

Calculator

Solution

The third proportional to 183.38 and 387 is: 816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.38 : 387 = 387 : x
  2. Step 2: Convert to fraction form
    183.38/387 = 387/x
  3. Step 3: Cross multiply
    183.38x = 387 × 387
  4. Step 4: Simplify right side
    183.38x = 149,769
  5. Step 5: Solve for x
    x = 149,769/183.38
  6. Step 6: Final answer
    x = 816.74

Related Problems

Find third proportional to 91.69 and 193.50
Half scale
Find third proportional to 366.75 and 774
Double scale
Find third proportional to 185 and 391
Similar ratio
Find third proportional to 275.06 and 580.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.