Home / 175,642-378,932

Finding the Third Proportional to 175,642 and 378,932

Calculator

Solution

The third proportional to 175,642 and 378,932 is: 817,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,642 : 378,932 = 378,932 : x
  2. Step 2: Convert to fraction form
    175,642/378,932 = 378,932/x
  3. Step 3: Cross multiply
    175,642x = 378,932 × 378,932
  4. Step 4: Simplify right side
    175,642x = 143,589,460,624
  5. Step 5: Solve for x
    x = 143,589,460,624/175,642
  6. Step 6: Final answer
    x = 817,512.10

Related Problems

Find third proportional to 87,821 and 189,466
Half scale
Find third proportional to 351,284 and 757,864
Double scale
Find third proportional to 175,644 and 378,936
Similar ratio
Find third proportional to 263,463 and 568,398
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.