Home / 176.50-387

Finding the Third Proportional to 176.50 and 387

Calculator

Solution

The third proportional to 176.50 and 387 is: 848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.50 : 387 = 387 : x
  2. Step 2: Convert to fraction form
    176.50/387 = 387/x
  3. Step 3: Cross multiply
    176.50x = 387 × 387
  4. Step 4: Simplify right side
    176.50x = 149,769
  5. Step 5: Solve for x
    x = 149,769/176.50
  6. Step 6: Final answer
    x = 848.55

Related Problems

Find third proportional to 88.25 and 193.50
Half scale
Find third proportional to 353 and 774
Double scale
Find third proportional to 179 and 391
Similar ratio
Find third proportional to 264.75 and 580.50
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.