Home / 383,720-782,664

Finding the Third Proportional to 383,720 and 782,664

Calculator

Solution

The third proportional to 383,720 and 782,664 is: 1,596,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,720 : 782,664 = 782,664 : x
  2. Step 2: Convert to fraction form
    383,720/782,664 = 782,664/x
  3. Step 3: Cross multiply
    383,720x = 782,664 × 782,664
  4. Step 4: Simplify right side
    383,720x = 612,562,936,896
  5. Step 5: Solve for x
    x = 612,562,936,896/383,720
  6. Step 6: Final answer
    x = 1,596,380.01

Related Problems

Find third proportional to 191,860 and 391,332
Half scale
Find third proportional to 767,440 and 1,565,328
Double scale
Find third proportional to 383,722 and 782,668
Similar ratio
Find third proportional to 575,580 and 1,173,996
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.