Home / 78,477-167,727

Finding the Third Proportional to 78,477 and 167,727

Calculator

Solution

The third proportional to 78,477 and 167,727 is: 358,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,477 : 167,727 = 167,727 : x
  2. Step 2: Convert to fraction form
    78,477/167,727 = 167,727/x
  3. Step 3: Cross multiply
    78,477x = 167,727 × 167,727
  4. Step 4: Simplify right side
    78,477x = 28,132,346,529
  5. Step 5: Solve for x
    x = 28,132,346,529/78,477
  6. Step 6: Final answer
    x = 358,478.87

Related Problems

Find third proportional to 39,238.50 and 83,863.50
Half scale
Find third proportional to 156,954 and 335,454
Double scale
Find third proportional to 78,479 and 167,731
Similar ratio
Find third proportional to 117,715.50 and 251,590.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.