Home / 378,434-630,696

Finding the Third Proportional to 378,434 and 630,696

Calculator

Solution

The third proportional to 378,434 and 630,696 is: 1,051,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,434 : 630,696 = 630,696 : x
  2. Step 2: Convert to fraction form
    378,434/630,696 = 630,696/x
  3. Step 3: Cross multiply
    378,434x = 630,696 × 630,696
  4. Step 4: Simplify right side
    378,434x = 397,777,444,416
  5. Step 5: Solve for x
    x = 397,777,444,416/378,434
  6. Step 6: Final answer
    x = 1,051,114.45

Related Problems

Find third proportional to 189,217 and 315,348
Half scale
Find third proportional to 756,868 and 1,261,392
Double scale
Find third proportional to 378,436 and 630,699
Similar ratio
Find third proportional to 567,651 and 946,044
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.