Home / 175,638-378,924

Finding the Third Proportional to 175,638 and 378,924

Calculator

Solution

The third proportional to 175,638 and 378,924 is: 817,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,638 : 378,924 = 378,924 : x
  2. Step 2: Convert to fraction form
    175,638/378,924 = 378,924/x
  3. Step 3: Cross multiply
    175,638x = 378,924 × 378,924
  4. Step 4: Simplify right side
    175,638x = 143,583,397,776
  5. Step 5: Solve for x
    x = 143,583,397,776/175,638
  6. Step 6: Final answer
    x = 817,496.20

Related Problems

Find third proportional to 87,819 and 189,462
Half scale
Find third proportional to 351,276 and 757,848
Double scale
Find third proportional to 175,640 and 378,928
Similar ratio
Find third proportional to 263,457 and 568,386
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.