Home / 219,567-489,619.31

Finding the Third Proportional to 219,567 and 489,619.31

Calculator

Solution

The third proportional to 219,567 and 489,619.31 is: 1,091,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,567 : 489,619.31 = 489,619.31 : x
  2. Step 2: Convert to fraction form
    219,567/489,619.31 = 489,619.31/x
  3. Step 3: Cross multiply
    219,567x = 489,619.31 × 489,619.31
  4. Step 4: Simplify right side
    219,567x = 239,727,071,172.97
  5. Step 5: Solve for x
    x = 239,727,071,172.97/219,567
  6. Step 6: Final answer
    x = 1,091,817.40

Related Problems

Find third proportional to 109,783.50 and 244,809.66
Half scale
Find third proportional to 439,134 and 979,238.63
Double scale
Find third proportional to 219,569 and 489,624
Similar ratio
Find third proportional to 329,350.50 and 734,428.97
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.