Home / 178,438.50-262,728

Finding the Third Proportional to 178,438.50 and 262,728

Calculator

Solution

The third proportional to 178,438.50 and 262,728 is: 386,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,438.50 : 262,728 = 262,728 : x
  2. Step 2: Convert to fraction form
    178,438.50/262,728 = 262,728/x
  3. Step 3: Cross multiply
    178,438.50x = 262,728 × 262,728
  4. Step 4: Simplify right side
    178,438.50x = 69,026,001,984
  5. Step 5: Solve for x
    x = 69,026,001,984/178,438.50
  6. Step 6: Final answer
    x = 386,833.57

Related Problems

Find third proportional to 89,219.25 and 131,364
Half scale
Find third proportional to 356,877 and 525,456
Double scale
Find third proportional to 178,441 and 262,731
Similar ratio
Find third proportional to 267,657.75 and 394,092
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.