Home / 162,813-254,640

Finding the Third Proportional to 162,813 and 254,640

Calculator

Solution

The third proportional to 162,813 and 254,640 is: 398,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,813 : 254,640 = 254,640 : x
  2. Step 2: Convert to fraction form
    162,813/254,640 = 254,640/x
  3. Step 3: Cross multiply
    162,813x = 254,640 × 254,640
  4. Step 4: Simplify right side
    162,813x = 64,841,529,600
  5. Step 5: Solve for x
    x = 64,841,529,600/162,813
  6. Step 6: Final answer
    x = 398,257.69

Related Problems

Find third proportional to 81,406.50 and 127,320
Half scale
Find third proportional to 325,626 and 509,280
Double scale
Find third proportional to 162,815 and 254,643
Similar ratio
Find third proportional to 244,219.50 and 381,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.