Home / 187,278-409,590

Finding the Third Proportional to 187,278 and 409,590

Calculator

Solution

The third proportional to 187,278 and 409,590 is: 895,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,278 : 409,590 = 409,590 : x
  2. Step 2: Convert to fraction form
    187,278/409,590 = 409,590/x
  3. Step 3: Cross multiply
    187,278x = 409,590 × 409,590
  4. Step 4: Simplify right side
    187,278x = 167,763,968,100
  5. Step 5: Solve for x
    x = 167,763,968,100/187,278
  6. Step 6: Final answer
    x = 895,801.79

Related Problems

Find third proportional to 93,639 and 204,795
Half scale
Find third proportional to 374,556 and 819,180
Double scale
Find third proportional to 187,280 and 409,594
Similar ratio
Find third proportional to 280,917 and 614,385
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.