Home / 201,135-320,156

Finding the Third Proportional to 201,135 and 320,156

Calculator

Solution

The third proportional to 201,135 and 320,156 is: 509,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,135 : 320,156 = 320,156 : x
  2. Step 2: Convert to fraction form
    201,135/320,156 = 320,156/x
  3. Step 3: Cross multiply
    201,135x = 320,156 × 320,156
  4. Step 4: Simplify right side
    201,135x = 102,499,864,336
  5. Step 5: Solve for x
    x = 102,499,864,336/201,135
  6. Step 6: Final answer
    x = 509,607.30

Related Problems

Find third proportional to 100,567.50 and 160,078
Half scale
Find third proportional to 402,270 and 640,312
Double scale
Find third proportional to 201,137 and 320,159
Similar ratio
Find third proportional to 301,702.50 and 480,234
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.