Home / 155,854-338,276

Finding the Third Proportional to 155,854 and 338,276

Calculator

Solution

The third proportional to 155,854 and 338,276 is: 734,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,854 : 338,276 = 338,276 : x
  2. Step 2: Convert to fraction form
    155,854/338,276 = 338,276/x
  3. Step 3: Cross multiply
    155,854x = 338,276 × 338,276
  4. Step 4: Simplify right side
    155,854x = 114,430,652,176
  5. Step 5: Solve for x
    x = 114,430,652,176/155,854
  6. Step 6: Final answer
    x = 734,216.97

Related Problems

Find third proportional to 77,927 and 169,138
Half scale
Find third proportional to 311,708 and 676,552
Double scale
Find third proportional to 155,856 and 338,280
Similar ratio
Find third proportional to 233,781 and 507,414
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.