Home / 100,771.50-219,962.50

Finding the Third Proportional to 100,771.50 and 219,962.50

Calculator

Solution

The third proportional to 100,771.50 and 219,962.50 is: 480,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,771.50 : 219,962.50 = 219,962.50 : x
  2. Step 2: Convert to fraction form
    100,771.50/219,962.50 = 219,962.50/x
  3. Step 3: Cross multiply
    100,771.50x = 219,962.50 × 219,962.50
  4. Step 4: Simplify right side
    100,771.50x = 48,383,501,406.25
  5. Step 5: Solve for x
    x = 48,383,501,406.25/100,771.50
  6. Step 6: Final answer
    x = 480,130.80

Related Problems

Find third proportional to 50,385.75 and 109,981.25
Half scale
Find third proportional to 201,543 and 439,925
Double scale
Find third proportional to 100,774 and 219,967
Similar ratio
Find third proportional to 151,157.25 and 329,943.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.