Home / 120,384-190,788.75

Finding the Third Proportional to 120,384 and 190,788.75

Calculator

Solution

The third proportional to 120,384 and 190,788.75 is: 302,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384 : 190,788.75 = 190,788.75 : x
  2. Step 2: Convert to fraction form
    120,384/190,788.75 = 190,788.75/x
  3. Step 3: Cross multiply
    120,384x = 190,788.75 × 190,788.75
  4. Step 4: Simplify right side
    120,384x = 36,400,347,126.56
  5. Step 5: Solve for x
    x = 36,400,347,126.56/120,384
  6. Step 6: Final answer
    x = 302,368.65

Related Problems

Find third proportional to 60,192 and 95,394.38
Half scale
Find third proportional to 240,768 and 381,577.50
Double scale
Find third proportional to 120,386 and 190,792
Similar ratio
Find third proportional to 180,576 and 286,183.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.