Home / 90,670-197,471

Finding the Third Proportional to 90,670 and 197,471

Calculator

Solution

The third proportional to 90,670 and 197,471 is: 430,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,670 : 197,471 = 197,471 : x
  2. Step 2: Convert to fraction form
    90,670/197,471 = 197,471/x
  3. Step 3: Cross multiply
    90,670x = 197,471 × 197,471
  4. Step 4: Simplify right side
    90,670x = 38,994,795,841
  5. Step 5: Solve for x
    x = 38,994,795,841/90,670
  6. Step 6: Final answer
    x = 430,073.85

Related Problems

Find third proportional to 45,335 and 98,735.50
Half scale
Find third proportional to 181,340 and 394,942
Double scale
Find third proportional to 90,672 and 197,475
Similar ratio
Find third proportional to 136,005 and 296,206.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.