Home / 267,378-578,388

Finding the Third Proportional to 267,378 and 578,388

Calculator

Solution

The third proportional to 267,378 and 578,388 is: 1,251,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,378 : 578,388 = 578,388 : x
  2. Step 2: Convert to fraction form
    267,378/578,388 = 578,388/x
  3. Step 3: Cross multiply
    267,378x = 578,388 × 578,388
  4. Step 4: Simplify right side
    267,378x = 334,532,678,544
  5. Step 5: Solve for x
    x = 334,532,678,544/267,378
  6. Step 6: Final answer
    x = 1,251,160.08

Related Problems

Find third proportional to 133,689 and 289,194
Half scale
Find third proportional to 534,756 and 1,156,776
Double scale
Find third proportional to 267,380 and 578,392
Similar ratio
Find third proportional to 401,067 and 867,582
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.