Home / 192,356-420,112

Finding the Third Proportional to 192,356 and 420,112

Calculator

Solution

The third proportional to 192,356 and 420,112 is: 917,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,356 : 420,112 = 420,112 : x
  2. Step 2: Convert to fraction form
    192,356/420,112 = 420,112/x
  3. Step 3: Cross multiply
    192,356x = 420,112 × 420,112
  4. Step 4: Simplify right side
    192,356x = 176,494,092,544
  5. Step 5: Solve for x
    x = 176,494,092,544/192,356
  6. Step 6: Final answer
    x = 917,538.80

Related Problems

Find third proportional to 96,178 and 210,056
Half scale
Find third proportional to 384,712 and 840,224
Double scale
Find third proportional to 192,358 and 420,116
Similar ratio
Find third proportional to 288,534 and 630,168
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.