Home / 376.69-587.81

Finding the Third Proportional to 376.69 and 587.81

Calculator

Solution

The third proportional to 376.69 and 587.81 is: 917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.69 : 587.81 = 587.81 : x
  2. Step 2: Convert to fraction form
    376.69/587.81 = 587.81/x
  3. Step 3: Cross multiply
    376.69x = 587.81 × 587.81
  4. Step 4: Simplify right side
    376.69x = 345,523.54
  5. Step 5: Solve for x
    x = 345,523.54/376.69
  6. Step 6: Final answer
    x = 917.27

Related Problems

Find third proportional to 188.34 and 293.91
Half scale
Find third proportional to 753.38 and 1,175.63
Double scale
Find third proportional to 379 and 591
Similar ratio
Find third proportional to 565.03 and 881.72
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.