Home / 151,354-318,392

Finding the Third Proportional to 151,354 and 318,392

Calculator

Solution

The third proportional to 151,354 and 318,392 is: 669,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,354 : 318,392 = 318,392 : x
  2. Step 2: Convert to fraction form
    151,354/318,392 = 318,392/x
  3. Step 3: Cross multiply
    151,354x = 318,392 × 318,392
  4. Step 4: Simplify right side
    151,354x = 101,373,465,664
  5. Step 5: Solve for x
    x = 101,373,465,664/151,354
  6. Step 6: Final answer
    x = 669,777.25

Related Problems

Find third proportional to 75,677 and 159,196
Half scale
Find third proportional to 302,708 and 636,784
Double scale
Find third proportional to 151,356 and 318,396
Similar ratio
Find third proportional to 227,031 and 477,588
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.