Home / 136,350-318,457

Finding the Third Proportional to 136,350 and 318,457

Calculator

Solution

The third proportional to 136,350 and 318,457 is: 743,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,350 : 318,457 = 318,457 : x
  2. Step 2: Convert to fraction form
    136,350/318,457 = 318,457/x
  3. Step 3: Cross multiply
    136,350x = 318,457 × 318,457
  4. Step 4: Simplify right side
    136,350x = 101,414,860,849
  5. Step 5: Solve for x
    x = 101,414,860,849/136,350
  6. Step 6: Final answer
    x = 743,783.36

Related Problems

Find third proportional to 68,175 and 159,228.50
Half scale
Find third proportional to 272,700 and 636,914
Double scale
Find third proportional to 136,352 and 318,462
Similar ratio
Find third proportional to 204,525 and 477,685.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.