Home / 181,968-280,728

Finding the Third Proportional to 181,968 and 280,728

Calculator

Solution

The third proportional to 181,968 and 280,728 is: 433,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,968 : 280,728 = 280,728 : x
  2. Step 2: Convert to fraction form
    181,968/280,728 = 280,728/x
  3. Step 3: Cross multiply
    181,968x = 280,728 × 280,728
  4. Step 4: Simplify right side
    181,968x = 78,808,209,984
  5. Step 5: Solve for x
    x = 78,808,209,984/181,968
  6. Step 6: Final answer
    x = 433,088.29

Related Problems

Find third proportional to 90,984 and 140,364
Half scale
Find third proportional to 363,936 and 561,456
Double scale
Find third proportional to 181,970 and 280,731
Similar ratio
Find third proportional to 272,952 and 421,092
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.