Home / 134,135-279,289

Finding the Third Proportional to 134,135 and 279,289

Calculator

Solution

The third proportional to 134,135 and 279,289 is: 581,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,135 : 279,289 = 279,289 : x
  2. Step 2: Convert to fraction form
    134,135/279,289 = 279,289/x
  3. Step 3: Cross multiply
    134,135x = 279,289 × 279,289
  4. Step 4: Simplify right side
    134,135x = 78,002,345,521
  5. Step 5: Solve for x
    x = 78,002,345,521/134,135
  6. Step 6: Final answer
    x = 581,521.20

Related Problems

Find third proportional to 67,067.50 and 139,644.50
Half scale
Find third proportional to 268,270 and 558,578
Double scale
Find third proportional to 134,137 and 279,293
Similar ratio
Find third proportional to 201,202.50 and 418,933.50
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.