Home / 230,402-505,090

Finding the Third Proportional to 230,402 and 505,090

Calculator

Solution

The third proportional to 230,402 and 505,090 is: 1,107,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,402 : 505,090 = 505,090 : x
  2. Step 2: Convert to fraction form
    230,402/505,090 = 505,090/x
  3. Step 3: Cross multiply
    230,402x = 505,090 × 505,090
  4. Step 4: Simplify right side
    230,402x = 255,115,908,100
  5. Step 5: Solve for x
    x = 255,115,908,100/230,402
  6. Step 6: Final answer
    x = 1,107,264.30

Related Problems

Find third proportional to 115,201 and 252,545
Half scale
Find third proportional to 460,804 and 1,010,180
Double scale
Find third proportional to 230,404 and 505,094
Similar ratio
Find third proportional to 345,603 and 757,635
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.