Home / 172,159-374,804

Finding the Third Proportional to 172,159 and 374,804

Calculator

Solution

The third proportional to 172,159 and 374,804 is: 815,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,159 : 374,804 = 374,804 : x
  2. Step 2: Convert to fraction form
    172,159/374,804 = 374,804/x
  3. Step 3: Cross multiply
    172,159x = 374,804 × 374,804
  4. Step 4: Simplify right side
    172,159x = 140,478,038,416
  5. Step 5: Solve for x
    x = 140,478,038,416/172,159
  6. Step 6: Final answer
    x = 815,978.48

Related Problems

Find third proportional to 86,079.50 and 187,402
Half scale
Find third proportional to 344,318 and 749,608
Double scale
Find third proportional to 172,161 and 374,808
Similar ratio
Find third proportional to 258,238.50 and 562,206
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.