Home / 196,357-423,728

Finding the Third Proportional to 196,357 and 423,728

Calculator

Solution

The third proportional to 196,357 and 423,728 is: 914,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,357 : 423,728 = 423,728 : x
  2. Step 2: Convert to fraction form
    196,357/423,728 = 423,728/x
  3. Step 3: Cross multiply
    196,357x = 423,728 × 423,728
  4. Step 4: Simplify right side
    196,357x = 179,545,417,984
  5. Step 5: Solve for x
    x = 179,545,417,984/196,357
  6. Step 6: Final answer
    x = 914,382.57

Related Problems

Find third proportional to 98,178.50 and 211,864
Half scale
Find third proportional to 392,714 and 847,456
Double scale
Find third proportional to 196,359 and 423,732
Similar ratio
Find third proportional to 294,535.50 and 635,592
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.