Home / 393,120-852,984

Finding the Third Proportional to 393,120 and 852,984

Calculator

Solution

The third proportional to 393,120 and 852,984 is: 1,850,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,120 : 852,984 = 852,984 : x
  2. Step 2: Convert to fraction form
    393,120/852,984 = 852,984/x
  3. Step 3: Cross multiply
    393,120x = 852,984 × 852,984
  4. Step 4: Simplify right side
    393,120x = 727,581,704,256
  5. Step 5: Solve for x
    x = 727,581,704,256/393,120
  6. Step 6: Final answer
    x = 1,850,787.81

Related Problems

Find third proportional to 196,560 and 426,492
Half scale
Find third proportional to 786,240 and 1,705,968
Double scale
Find third proportional to 393,122 and 852,988
Similar ratio
Find third proportional to 589,680 and 1,279,476
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.