Home / 90,912-196,608

Finding the Third Proportional to 90,912 and 196,608

Calculator

Solution

The third proportional to 90,912 and 196,608 is: 425,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,912 : 196,608 = 196,608 : x
  2. Step 2: Convert to fraction form
    90,912/196,608 = 196,608/x
  3. Step 3: Cross multiply
    90,912x = 196,608 × 196,608
  4. Step 4: Simplify right side
    90,912x = 38,654,705,664
  5. Step 5: Solve for x
    x = 38,654,705,664/90,912
  6. Step 6: Final answer
    x = 425,188.16

Related Problems

Find third proportional to 45,456 and 98,304
Half scale
Find third proportional to 181,824 and 393,216
Double scale
Find third proportional to 90,914 and 196,612
Similar ratio
Find third proportional to 136,368 and 294,912
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.