Home / 207,364-320,212

Finding the Third Proportional to 207,364 and 320,212

Calculator

Solution

The third proportional to 207,364 and 320,212 is: 494,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,364 : 320,212 = 320,212 : x
  2. Step 2: Convert to fraction form
    207,364/320,212 = 320,212/x
  3. Step 3: Cross multiply
    207,364x = 320,212 × 320,212
  4. Step 4: Simplify right side
    207,364x = 102,535,724,944
  5. Step 5: Solve for x
    x = 102,535,724,944/207,364
  6. Step 6: Final answer
    x = 494,472.16

Related Problems

Find third proportional to 103,682 and 160,106
Half scale
Find third proportional to 414,728 and 640,424
Double scale
Find third proportional to 207,366 and 320,215
Similar ratio
Find third proportional to 311,046 and 480,318
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.