Home / 392,448-847,612

Finding the Third Proportional to 392,448 and 847,612

Calculator

Solution

The third proportional to 392,448 and 847,612 is: 1,830,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,448 : 847,612 = 847,612 : x
  2. Step 2: Convert to fraction form
    392,448/847,612 = 847,612/x
  3. Step 3: Cross multiply
    392,448x = 847,612 × 847,612
  4. Step 4: Simplify right side
    392,448x = 718,446,102,544
  5. Step 5: Solve for x
    x = 718,446,102,544/392,448
  6. Step 6: Final answer
    x = 1,830,678.47

Related Problems

Find third proportional to 196,224 and 423,806
Half scale
Find third proportional to 784,896 and 1,695,224
Double scale
Find third proportional to 392,450 and 847,616
Similar ratio
Find third proportional to 588,672 and 1,271,418
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.