Home / 196,720.50-421,489.50

Finding the Third Proportional to 196,720.50 and 421,489.50

Calculator

Solution

The third proportional to 196,720.50 and 421,489.50 is: 903,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,720.50 : 421,489.50 = 421,489.50 : x
  2. Step 2: Convert to fraction form
    196,720.50/421,489.50 = 421,489.50/x
  3. Step 3: Cross multiply
    196,720.50x = 421,489.50 × 421,489.50
  4. Step 4: Simplify right side
    196,720.50x = 177,653,398,610.25
  5. Step 5: Solve for x
    x = 177,653,398,610.25/196,720.50
  6. Step 6: Final answer
    x = 903,075.17

Related Problems

Find third proportional to 98,360.25 and 210,744.75
Half scale
Find third proportional to 393,441 and 842,979
Double scale
Find third proportional to 196,723 and 421,494
Similar ratio
Find third proportional to 295,080.75 and 632,234.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.