Home / 302,990-637,936

Finding the Third Proportional to 302,990 and 637,936

Calculator

Solution

The third proportional to 302,990 and 637,936 is: 1,343,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,990 : 637,936 = 637,936 : x
  2. Step 2: Convert to fraction form
    302,990/637,936 = 637,936/x
  3. Step 3: Cross multiply
    302,990x = 637,936 × 637,936
  4. Step 4: Simplify right side
    302,990x = 406,962,340,096
  5. Step 5: Solve for x
    x = 406,962,340,096/302,990
  6. Step 6: Final answer
    x = 1,343,154.36

Related Problems

Find third proportional to 151,495 and 318,968
Half scale
Find third proportional to 605,980 and 1,275,872
Double scale
Find third proportional to 302,992 and 637,940
Similar ratio
Find third proportional to 454,485 and 956,904
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.