Home / 259,640-392,268

Finding the Third Proportional to 259,640 and 392,268

Calculator

Solution

The third proportional to 259,640 and 392,268 is: 592,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,640 : 392,268 = 392,268 : x
  2. Step 2: Convert to fraction form
    259,640/392,268 = 392,268/x
  3. Step 3: Cross multiply
    259,640x = 392,268 × 392,268
  4. Step 4: Simplify right side
    259,640x = 153,874,183,824
  5. Step 5: Solve for x
    x = 153,874,183,824/259,640
  6. Step 6: Final answer
    x = 592,644.37

Related Problems

Find third proportional to 129,820 and 196,134
Half scale
Find third proportional to 519,280 and 784,536
Double scale
Find third proportional to 259,642 and 392,271
Similar ratio
Find third proportional to 389,460 and 588,402
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.