Home / 177,648-378,312

Finding the Third Proportional to 177,648 and 378,312

Calculator

Solution

The third proportional to 177,648 and 378,312 is: 805,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,648 : 378,312 = 378,312 : x
  2. Step 2: Convert to fraction form
    177,648/378,312 = 378,312/x
  3. Step 3: Cross multiply
    177,648x = 378,312 × 378,312
  4. Step 4: Simplify right side
    177,648x = 143,119,969,344
  5. Step 5: Solve for x
    x = 143,119,969,344/177,648
  6. Step 6: Final answer
    x = 805,637.94

Related Problems

Find third proportional to 88,824 and 189,156
Half scale
Find third proportional to 355,296 and 756,624
Double scale
Find third proportional to 177,650 and 378,316
Similar ratio
Find third proportional to 266,472 and 567,468
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.