Home / 118,173-172,182

Finding the Third Proportional to 118,173 and 172,182

Calculator

Solution

The third proportional to 118,173 and 172,182 is: 250,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,173 : 172,182 = 172,182 : x
  2. Step 2: Convert to fraction form
    118,173/172,182 = 172,182/x
  3. Step 3: Cross multiply
    118,173x = 172,182 × 172,182
  4. Step 4: Simplify right side
    118,173x = 29,646,641,124
  5. Step 5: Solve for x
    x = 29,646,641,124/118,173
  6. Step 6: Final answer
    x = 250,874.91

Related Problems

Find third proportional to 59,086.50 and 86,091
Half scale
Find third proportional to 236,346 and 344,364
Double scale
Find third proportional to 118,175 and 172,185
Similar ratio
Find third proportional to 177,259.50 and 258,273
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.