Home / 122,658-187,605

Finding the Third Proportional to 122,658 and 187,605

Calculator

Solution

The third proportional to 122,658 and 187,605 is: 286,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,658 : 187,605 = 187,605 : x
  2. Step 2: Convert to fraction form
    122,658/187,605 = 187,605/x
  3. Step 3: Cross multiply
    122,658x = 187,605 × 187,605
  4. Step 4: Simplify right side
    122,658x = 35,195,636,025
  5. Step 5: Solve for x
    x = 35,195,636,025/122,658
  6. Step 6: Final answer
    x = 286,941.22

Related Problems

Find third proportional to 61,329 and 93,802.50
Half scale
Find third proportional to 245,316 and 375,210
Double scale
Find third proportional to 122,660 and 187,608
Similar ratio
Find third proportional to 183,987 and 281,407.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.