Home / 262,842-402,147

Finding the Third Proportional to 262,842 and 402,147

Calculator

Solution

The third proportional to 262,842 and 402,147 is: 615,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,842 : 402,147 = 402,147 : x
  2. Step 2: Convert to fraction form
    262,842/402,147 = 402,147/x
  3. Step 3: Cross multiply
    262,842x = 402,147 × 402,147
  4. Step 4: Simplify right side
    262,842x = 161,722,209,609
  5. Step 5: Solve for x
    x = 161,722,209,609/262,842
  6. Step 6: Final answer
    x = 615,282.98

Related Problems

Find third proportional to 131,421 and 201,073.50
Half scale
Find third proportional to 525,684 and 804,294
Double scale
Find third proportional to 262,844 and 402,150
Similar ratio
Find third proportional to 394,263 and 603,220.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.