Home / 84,138-181,392

Finding the Third Proportional to 84,138 and 181,392

Calculator

Solution

The third proportional to 84,138 and 181,392 is: 391,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,138 : 181,392 = 181,392 : x
  2. Step 2: Convert to fraction form
    84,138/181,392 = 181,392/x
  3. Step 3: Cross multiply
    84,138x = 181,392 × 181,392
  4. Step 4: Simplify right side
    84,138x = 32,903,057,664
  5. Step 5: Solve for x
    x = 32,903,057,664/84,138
  6. Step 6: Final answer
    x = 391,060.61

Related Problems

Find third proportional to 42,069 and 90,696
Half scale
Find third proportional to 168,276 and 362,784
Double scale
Find third proportional to 84,140 and 181,396
Similar ratio
Find third proportional to 126,207 and 272,088
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.