Home / 280,608-429,264

Finding the Third Proportional to 280,608 and 429,264

Calculator

Solution

The third proportional to 280,608 and 429,264 is: 656,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,608 : 429,264 = 429,264 : x
  2. Step 2: Convert to fraction form
    280,608/429,264 = 429,264/x
  3. Step 3: Cross multiply
    280,608x = 429,264 × 429,264
  4. Step 4: Simplify right side
    280,608x = 184,267,581,696
  5. Step 5: Solve for x
    x = 184,267,581,696/280,608
  6. Step 6: Final answer
    x = 656,672.59

Related Problems

Find third proportional to 140,304 and 214,632
Half scale
Find third proportional to 561,216 and 858,528
Double scale
Find third proportional to 280,610 and 429,267
Similar ratio
Find third proportional to 420,912 and 643,896
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.