Home / 172,812-282,186

Finding the Third Proportional to 172,812 and 282,186

Calculator

Solution

The third proportional to 172,812 and 282,186 is: 460,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,812 : 282,186 = 282,186 : x
  2. Step 2: Convert to fraction form
    172,812/282,186 = 282,186/x
  3. Step 3: Cross multiply
    172,812x = 282,186 × 282,186
  4. Step 4: Simplify right side
    172,812x = 79,628,938,596
  5. Step 5: Solve for x
    x = 79,628,938,596/172,812
  6. Step 6: Final answer
    x = 460,783.62

Related Problems

Find third proportional to 86,406 and 141,093
Half scale
Find third proportional to 345,624 and 564,372
Double scale
Find third proportional to 172,814 and 282,189
Similar ratio
Find third proportional to 259,218 and 423,279
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.