Home / 89,270-138,227

Finding the Third Proportional to 89,270 and 138,227

Calculator

Solution

The third proportional to 89,270 and 138,227 is: 214,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,270 : 138,227 = 138,227 : x
  2. Step 2: Convert to fraction form
    89,270/138,227 = 138,227/x
  3. Step 3: Cross multiply
    89,270x = 138,227 × 138,227
  4. Step 4: Simplify right side
    89,270x = 19,106,703,529
  5. Step 5: Solve for x
    x = 19,106,703,529/89,270
  6. Step 6: Final answer
    x = 214,032.75

Related Problems

Find third proportional to 44,635 and 69,113.50
Half scale
Find third proportional to 178,540 and 276,454
Double scale
Find third proportional to 89,272 and 138,230
Similar ratio
Find third proportional to 133,905 and 207,340.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.