Home / 162,200-258,288

Finding the Third Proportional to 162,200 and 258,288

Calculator

Solution

The third proportional to 162,200 and 258,288 is: 411,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,200 : 258,288 = 258,288 : x
  2. Step 2: Convert to fraction form
    162,200/258,288 = 258,288/x
  3. Step 3: Cross multiply
    162,200x = 258,288 × 258,288
  4. Step 4: Simplify right side
    162,200x = 66,712,690,944
  5. Step 5: Solve for x
    x = 66,712,690,944/162,200
  6. Step 6: Final answer
    x = 411,298.96

Related Problems

Find third proportional to 81,100 and 129,144
Half scale
Find third proportional to 324,400 and 516,576
Double scale
Find third proportional to 162,202 and 258,291
Similar ratio
Find third proportional to 243,300 and 387,432
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.