Home / 133,650-292,815

Finding the Third Proportional to 133,650 and 292,815

Calculator

Solution

The third proportional to 133,650 and 292,815 is: 641,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,650 : 292,815 = 292,815 : x
  2. Step 2: Convert to fraction form
    133,650/292,815 = 292,815/x
  3. Step 3: Cross multiply
    133,650x = 292,815 × 292,815
  4. Step 4: Simplify right side
    133,650x = 85,740,624,225
  5. Step 5: Solve for x
    x = 85,740,624,225/133,650
  6. Step 6: Final answer
    x = 641,531.05

Related Problems

Find third proportional to 66,825 and 146,407.50
Half scale
Find third proportional to 267,300 and 585,630
Double scale
Find third proportional to 133,652 and 292,819
Similar ratio
Find third proportional to 200,475 and 439,222.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.