Home / 87,176-138,116

Finding the Third Proportional to 87,176 and 138,116

Calculator

Solution

The third proportional to 87,176 and 138,116 is: 218,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,176 : 138,116 = 138,116 : x
  2. Step 2: Convert to fraction form
    87,176/138,116 = 138,116/x
  3. Step 3: Cross multiply
    87,176x = 138,116 × 138,116
  4. Step 4: Simplify right side
    87,176x = 19,076,029,456
  5. Step 5: Solve for x
    x = 19,076,029,456/87,176
  6. Step 6: Final answer
    x = 218,822.03

Related Problems

Find third proportional to 43,588 and 69,058
Half scale
Find third proportional to 174,352 and 276,232
Double scale
Find third proportional to 87,178 and 138,119
Similar ratio
Find third proportional to 130,764 and 207,174
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.