Home / 393,620-626,630

Finding the Third Proportional to 393,620 and 626,630

Calculator

Solution

The third proportional to 393,620 and 626,630 is: 997,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,620 : 626,630 = 626,630 : x
  2. Step 2: Convert to fraction form
    393,620/626,630 = 626,630/x
  3. Step 3: Cross multiply
    393,620x = 626,630 × 626,630
  4. Step 4: Simplify right side
    393,620x = 392,665,156,900
  5. Step 5: Solve for x
    x = 392,665,156,900/393,620
  6. Step 6: Final answer
    x = 997,574.20

Related Problems

Find third proportional to 196,810 and 313,315
Half scale
Find third proportional to 787,240 and 1,253,260
Double scale
Find third proportional to 393,622 and 626,633
Similar ratio
Find third proportional to 590,430 and 939,945
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.