Home / 74,389-154,795

Finding the Third Proportional to 74,389 and 154,795

Calculator

Solution

The third proportional to 74,389 and 154,795 is: 322,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,389 : 154,795 = 154,795 : x
  2. Step 2: Convert to fraction form
    74,389/154,795 = 154,795/x
  3. Step 3: Cross multiply
    74,389x = 154,795 × 154,795
  4. Step 4: Simplify right side
    74,389x = 23,961,492,025
  5. Step 5: Solve for x
    x = 23,961,492,025/74,389
  6. Step 6: Final answer
    x = 322,110.69

Related Problems

Find third proportional to 37,194.50 and 77,397.50
Half scale
Find third proportional to 148,778 and 309,590
Double scale
Find third proportional to 74,391 and 154,799
Similar ratio
Find third proportional to 111,583.50 and 232,192.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.