Home / 383.38-609.63

Finding the Third Proportional to 383.38 and 609.63

Calculator

Solution

The third proportional to 383.38 and 609.63 is: 969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.38 : 609.63 = 609.63 : x
  2. Step 2: Convert to fraction form
    383.38/609.63 = 609.63/x
  3. Step 3: Cross multiply
    383.38x = 609.63 × 609.63
  4. Step 4: Simplify right side
    383.38x = 371,642.64
  5. Step 5: Solve for x
    x = 371,642.64/383.38
  6. Step 6: Final answer
    x = 969.40

Related Problems

Find third proportional to 191.69 and 304.81
Half scale
Find third proportional to 766.75 and 1,219.25
Double scale
Find third proportional to 385 and 613
Similar ratio
Find third proportional to 575.06 and 914.44
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.