Home / 252,582-390,131

Finding the Third Proportional to 252,582 and 390,131

Calculator

Solution

The third proportional to 252,582 and 390,131 is: 602,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,582 : 390,131 = 390,131 : x
  2. Step 2: Convert to fraction form
    252,582/390,131 = 390,131/x
  3. Step 3: Cross multiply
    252,582x = 390,131 × 390,131
  4. Step 4: Simplify right side
    252,582x = 152,202,197,161
  5. Step 5: Solve for x
    x = 152,202,197,161/252,582
  6. Step 6: Final answer
    x = 602,585.29

Related Problems

Find third proportional to 126,291 and 195,065.50
Half scale
Find third proportional to 505,164 and 780,262
Double scale
Find third proportional to 252,584 and 390,134
Similar ratio
Find third proportional to 378,873 and 585,196.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.