Home / 151,396-318,471

Finding the Third Proportional to 151,396 and 318,471

Calculator

Solution

The third proportional to 151,396 and 318,471 is: 669,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,396 : 318,471 = 318,471 : x
  2. Step 2: Convert to fraction form
    151,396/318,471 = 318,471/x
  3. Step 3: Cross multiply
    151,396x = 318,471 × 318,471
  4. Step 4: Simplify right side
    151,396x = 101,423,777,841
  5. Step 5: Solve for x
    x = 101,423,777,841/151,396
  6. Step 6: Final answer
    x = 669,923.76

Related Problems

Find third proportional to 75,698 and 159,235.50
Half scale
Find third proportional to 302,792 and 636,942
Double scale
Find third proportional to 151,398 and 318,475
Similar ratio
Find third proportional to 227,094 and 477,706.50
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.