Home / 91,090-197,940

Finding the Third Proportional to 91,090 and 197,940

Calculator

Solution

The third proportional to 91,090 and 197,940 is: 430,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,090 : 197,940 = 197,940 : x
  2. Step 2: Convert to fraction form
    91,090/197,940 = 197,940/x
  3. Step 3: Cross multiply
    91,090x = 197,940 × 197,940
  4. Step 4: Simplify right side
    91,090x = 39,180,243,600
  5. Step 5: Solve for x
    x = 39,180,243,600/91,090
  6. Step 6: Final answer
    x = 430,126.73

Related Problems

Find third proportional to 45,545 and 98,970
Half scale
Find third proportional to 182,180 and 395,880
Double scale
Find third proportional to 91,092 and 197,944
Similar ratio
Find third proportional to 136,635 and 296,910
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.