Home / 86,276-189,896

Finding the Third Proportional to 86,276 and 189,896

Calculator

Solution

The third proportional to 86,276 and 189,896 is: 417,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,276 : 189,896 = 189,896 : x
  2. Step 2: Convert to fraction form
    86,276/189,896 = 189,896/x
  3. Step 3: Cross multiply
    86,276x = 189,896 × 189,896
  4. Step 4: Simplify right side
    86,276x = 36,060,490,816
  5. Step 5: Solve for x
    x = 36,060,490,816/86,276
  6. Step 6: Final answer
    x = 417,966.65

Related Problems

Find third proportional to 43,138 and 94,948
Half scale
Find third proportional to 172,552 and 379,792
Double scale
Find third proportional to 86,278 and 189,900
Similar ratio
Find third proportional to 129,414 and 284,844
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.