Home / 275,258-402,265

Finding the Third Proportional to 275,258 and 402,265

Calculator

Solution

The third proportional to 275,258 and 402,265 is: 587,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,258 : 402,265 = 402,265 : x
  2. Step 2: Convert to fraction form
    275,258/402,265 = 402,265/x
  3. Step 3: Cross multiply
    275,258x = 402,265 × 402,265
  4. Step 4: Simplify right side
    275,258x = 161,817,130,225
  5. Step 5: Solve for x
    x = 161,817,130,225/275,258
  6. Step 6: Final answer
    x = 587,874.40

Related Problems

Find third proportional to 137,629 and 201,132.50
Half scale
Find third proportional to 550,516 and 804,530
Double scale
Find third proportional to 275,260 and 402,268
Similar ratio
Find third proportional to 412,887 and 603,397.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.