Home / 331,077-512,542.50

Finding the Third Proportional to 331,077 and 512,542.50

Calculator

Solution

The third proportional to 331,077 and 512,542.50 is: 793,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,077 : 512,542.50 = 512,542.50 : x
  2. Step 2: Convert to fraction form
    331,077/512,542.50 = 512,542.50/x
  3. Step 3: Cross multiply
    331,077x = 512,542.50 × 512,542.50
  4. Step 4: Simplify right side
    331,077x = 262,699,814,306.25
  5. Step 5: Solve for x
    x = 262,699,814,306.25/331,077
  6. Step 6: Final answer
    x = 793,470.44

Related Problems

Find third proportional to 165,538.50 and 256,271.25
Half scale
Find third proportional to 662,154 and 1,025,085
Double scale
Find third proportional to 331,079 and 512,546
Similar ratio
Find third proportional to 496,615.50 and 768,813.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.