Home / 135,866-288,175

Finding the Third Proportional to 135,866 and 288,175

Calculator

Solution

The third proportional to 135,866 and 288,175 is: 611,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,866 : 288,175 = 288,175 : x
  2. Step 2: Convert to fraction form
    135,866/288,175 = 288,175/x
  3. Step 3: Cross multiply
    135,866x = 288,175 × 288,175
  4. Step 4: Simplify right side
    135,866x = 83,044,830,625
  5. Step 5: Solve for x
    x = 83,044,830,625/135,866
  6. Step 6: Final answer
    x = 611,225.99

Related Problems

Find third proportional to 67,933 and 144,087.50
Half scale
Find third proportional to 271,732 and 576,350
Double scale
Find third proportional to 135,868 and 288,179
Similar ratio
Find third proportional to 203,799 and 432,262.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.