Home / 89,176-138,526

Finding the Third Proportional to 89,176 and 138,526

Calculator

Solution

The third proportional to 89,176 and 138,526 is: 215,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,176 : 138,526 = 138,526 : x
  2. Step 2: Convert to fraction form
    89,176/138,526 = 138,526/x
  3. Step 3: Cross multiply
    89,176x = 138,526 × 138,526
  4. Step 4: Simplify right side
    89,176x = 19,189,452,676
  5. Step 5: Solve for x
    x = 19,189,452,676/89,176
  6. Step 6: Final answer
    x = 215,186.29

Related Problems

Find third proportional to 44,588 and 69,263
Half scale
Find third proportional to 178,352 and 277,052
Double scale
Find third proportional to 89,178 and 138,529
Similar ratio
Find third proportional to 133,764 and 207,789
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.