Home / 275,220.75-455,499

Finding the Third Proportional to 275,220.75 and 455,499

Calculator

Solution

The third proportional to 275,220.75 and 455,499 is: 753,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,220.75 : 455,499 = 455,499 : x
  2. Step 2: Convert to fraction form
    275,220.75/455,499 = 455,499/x
  3. Step 3: Cross multiply
    275,220.75x = 455,499 × 455,499
  4. Step 4: Simplify right side
    275,220.75x = 207,479,339,001
  5. Step 5: Solve for x
    x = 207,479,339,001/275,220.75
  6. Step 6: Final answer
    x = 753,865.18

Related Problems

Find third proportional to 137,610.38 and 227,749.50
Half scale
Find third proportional to 550,441.50 and 910,998
Double scale
Find third proportional to 275,223 and 455,502
Similar ratio
Find third proportional to 412,831.13 and 683,248.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.