Home / 303,616-453,728

Finding the Third Proportional to 303,616 and 453,728

Calculator

Solution

The third proportional to 303,616 and 453,728 is: 678,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,616 : 453,728 = 453,728 : x
  2. Step 2: Convert to fraction form
    303,616/453,728 = 453,728/x
  3. Step 3: Cross multiply
    303,616x = 453,728 × 453,728
  4. Step 4: Simplify right side
    303,616x = 205,869,097,984
  5. Step 5: Solve for x
    x = 205,869,097,984/303,616
  6. Step 6: Final answer
    x = 678,057.47

Related Problems

Find third proportional to 151,808 and 226,864
Half scale
Find third proportional to 607,232 and 907,456
Double scale
Find third proportional to 303,618 and 453,731
Similar ratio
Find third proportional to 455,424 and 680,592
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.