Home / 423,069-655,375

Finding the Third Proportional to 423,069 and 655,375

Calculator

Solution

The third proportional to 423,069 and 655,375 is: 1,015,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,069 : 655,375 = 655,375 : x
  2. Step 2: Convert to fraction form
    423,069/655,375 = 655,375/x
  3. Step 3: Cross multiply
    423,069x = 655,375 × 655,375
  4. Step 4: Simplify right side
    423,069x = 429,516,390,625
  5. Step 5: Solve for x
    x = 429,516,390,625/423,069
  6. Step 6: Final answer
    x = 1,015,239.57

Related Problems

Find third proportional to 211,534.50 and 327,687.50
Half scale
Find third proportional to 846,138 and 1,310,750
Double scale
Find third proportional to 423,071 and 655,378
Similar ratio
Find third proportional to 634,603.50 and 983,062.50
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.