Home / 77,220-166,670

Finding the Third Proportional to 77,220 and 166,670

Calculator

Solution

The third proportional to 77,220 and 166,670 is: 359,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,220 : 166,670 = 166,670 : x
  2. Step 2: Convert to fraction form
    77,220/166,670 = 166,670/x
  3. Step 3: Cross multiply
    77,220x = 166,670 × 166,670
  4. Step 4: Simplify right side
    77,220x = 27,778,888,900
  5. Step 5: Solve for x
    x = 27,778,888,900/77,220
  6. Step 6: Final answer
    x = 359,736.97

Related Problems

Find third proportional to 38,610 and 83,335
Half scale
Find third proportional to 154,440 and 333,340
Double scale
Find third proportional to 77,222 and 166,674
Similar ratio
Find third proportional to 115,830 and 250,005
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.