Home / 222,419-489,109.50

Finding the Third Proportional to 222,419 and 489,109.50

Calculator

Solution

The third proportional to 222,419 and 489,109.50 is: 1,075,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,419 : 489,109.50 = 489,109.50 : x
  2. Step 2: Convert to fraction form
    222,419/489,109.50 = 489,109.50/x
  3. Step 3: Cross multiply
    222,419x = 489,109.50 × 489,109.50
  4. Step 4: Simplify right side
    222,419x = 239,228,102,990.25
  5. Step 5: Solve for x
    x = 239,228,102,990.25/222,419
  6. Step 6: Final answer
    x = 1,075,574.04

Related Problems

Find third proportional to 111,209.50 and 244,554.75
Half scale
Find third proportional to 444,838 and 978,219
Double scale
Find third proportional to 222,421 and 489,114
Similar ratio
Find third proportional to 333,628.50 and 733,664.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.