Home / 69,408-154,392

Finding the Third Proportional to 69,408 and 154,392

Calculator

Solution

The third proportional to 69,408 and 154,392 is: 343,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408 : 154,392 = 154,392 : x
  2. Step 2: Convert to fraction form
    69,408/154,392 = 154,392/x
  3. Step 3: Cross multiply
    69,408x = 154,392 × 154,392
  4. Step 4: Simplify right side
    69,408x = 23,836,889,664
  5. Step 5: Solve for x
    x = 23,836,889,664/69,408
  6. Step 6: Final answer
    x = 343,431.44

Related Problems

Find third proportional to 34,704 and 77,196
Half scale
Find third proportional to 138,816 and 308,784
Double scale
Find third proportional to 69,410 and 154,396
Similar ratio
Find third proportional to 104,112 and 231,588
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.