Home / 122,136-194,288

Finding the Third Proportional to 122,136 and 194,288

Calculator

Solution

The third proportional to 122,136 and 194,288 is: 309,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,136 : 194,288 = 194,288 : x
  2. Step 2: Convert to fraction form
    122,136/194,288 = 194,288/x
  3. Step 3: Cross multiply
    122,136x = 194,288 × 194,288
  4. Step 4: Simplify right side
    122,136x = 37,747,826,944
  5. Step 5: Solve for x
    x = 37,747,826,944/122,136
  6. Step 6: Final answer
    x = 309,063.89

Related Problems

Find third proportional to 61,068 and 97,144
Half scale
Find third proportional to 244,272 and 388,576
Double scale
Find third proportional to 122,138 and 194,291
Similar ratio
Find third proportional to 183,204 and 291,432
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.