Home / 145,152-219,915

Finding the Third Proportional to 145,152 and 219,915

Calculator

Solution

The third proportional to 145,152 and 219,915 is: 333,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152 : 219,915 = 219,915 : x
  2. Step 2: Convert to fraction form
    145,152/219,915 = 219,915/x
  3. Step 3: Cross multiply
    145,152x = 219,915 × 219,915
  4. Step 4: Simplify right side
    145,152x = 48,362,607,225
  5. Step 5: Solve for x
    x = 48,362,607,225/145,152
  6. Step 6: Final answer
    x = 333,185.95

Related Problems

Find third proportional to 72,576 and 109,957.50
Half scale
Find third proportional to 290,304 and 439,830
Double scale
Find third proportional to 145,154 and 219,918
Similar ratio
Find third proportional to 217,728 and 329,872.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.