Home / 430,668-661,064

Finding the Third Proportional to 430,668 and 661,064

Calculator

Solution

The third proportional to 430,668 and 661,064 is: 1,014,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,668 : 661,064 = 661,064 : x
  2. Step 2: Convert to fraction form
    430,668/661,064 = 661,064/x
  3. Step 3: Cross multiply
    430,668x = 661,064 × 661,064
  4. Step 4: Simplify right side
    430,668x = 437,005,612,096
  5. Step 5: Solve for x
    x = 437,005,612,096/430,668
  6. Step 6: Final answer
    x = 1,014,715.77

Related Problems

Find third proportional to 215,334 and 330,532
Half scale
Find third proportional to 861,336 and 1,322,128
Double scale
Find third proportional to 430,670 and 661,067
Similar ratio
Find third proportional to 646,002 and 991,596
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.