Home / 69,354-154,284

Finding the Third Proportional to 69,354 and 154,284

Calculator

Solution

The third proportional to 69,354 and 154,284 is: 343,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,354 : 154,284 = 154,284 : x
  2. Step 2: Convert to fraction form
    69,354/154,284 = 154,284/x
  3. Step 3: Cross multiply
    69,354x = 154,284 × 154,284
  4. Step 4: Simplify right side
    69,354x = 23,803,552,656
  5. Step 5: Solve for x
    x = 23,803,552,656/69,354
  6. Step 6: Final answer
    x = 343,218.17

Related Problems

Find third proportional to 34,677 and 77,142
Half scale
Find third proportional to 138,708 and 308,568
Double scale
Find third proportional to 69,356 and 154,288
Similar ratio
Find third proportional to 104,031 and 231,426
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.