Home / 155,424-339,738

Finding the Third Proportional to 155,424 and 339,738

Calculator

Solution

The third proportional to 155,424 and 339,738 is: 742,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,424 : 339,738 = 339,738 : x
  2. Step 2: Convert to fraction form
    155,424/339,738 = 339,738/x
  3. Step 3: Cross multiply
    155,424x = 339,738 × 339,738
  4. Step 4: Simplify right side
    155,424x = 115,421,908,644
  5. Step 5: Solve for x
    x = 115,421,908,644/155,424
  6. Step 6: Final answer
    x = 742,626.03

Related Problems

Find third proportional to 77,712 and 169,869
Half scale
Find third proportional to 310,848 and 679,476
Double scale
Find third proportional to 155,426 and 339,742
Similar ratio
Find third proportional to 233,136 and 509,607
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.