Home / 512,990-766,615

Finding the Third Proportional to 512,990 and 766,615

Calculator

Solution

The third proportional to 512,990 and 766,615 is: 1,145,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,990 : 766,615 = 766,615 : x
  2. Step 2: Convert to fraction form
    512,990/766,615 = 766,615/x
  3. Step 3: Cross multiply
    512,990x = 766,615 × 766,615
  4. Step 4: Simplify right side
    512,990x = 587,698,558,225
  5. Step 5: Solve for x
    x = 587,698,558,225/512,990
  6. Step 6: Final answer
    x = 1,145,633.56

Related Problems

Find third proportional to 256,495 and 383,307.50
Half scale
Find third proportional to 1,025,980 and 1,533,230
Double scale
Find third proportional to 512,992 and 766,618
Similar ratio
Find third proportional to 769,485 and 1,149,922.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.