Home / 165,489-357,225

Finding the Third Proportional to 165,489 and 357,225

Calculator

Solution

The third proportional to 165,489 and 357,225 is: 771,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,489 : 357,225 = 357,225 : x
  2. Step 2: Convert to fraction form
    165,489/357,225 = 357,225/x
  3. Step 3: Cross multiply
    165,489x = 357,225 × 357,225
  4. Step 4: Simplify right side
    165,489x = 127,609,700,625
  5. Step 5: Solve for x
    x = 127,609,700,625/165,489
  6. Step 6: Final answer
    x = 771,106.84

Related Problems

Find third proportional to 82,744.50 and 178,612.50
Half scale
Find third proportional to 330,978 and 714,450
Double scale
Find third proportional to 165,491 and 357,229
Similar ratio
Find third proportional to 248,233.50 and 535,837.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.