Home / 118,670-158,521

Finding the Third Proportional to 118,670 and 158,521

Calculator

Solution

The third proportional to 118,670 and 158,521 is: 211,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,670 : 158,521 = 158,521 : x
  2. Step 2: Convert to fraction form
    118,670/158,521 = 158,521/x
  3. Step 3: Cross multiply
    118,670x = 158,521 × 158,521
  4. Step 4: Simplify right side
    118,670x = 25,128,907,441
  5. Step 5: Solve for x
    x = 25,128,907,441/118,670
  6. Step 6: Final answer
    x = 211,754.51

Related Problems

Find third proportional to 59,335 and 79,260.50
Half scale
Find third proportional to 237,340 and 317,042
Double scale
Find third proportional to 118,672 and 158,524
Similar ratio
Find third proportional to 178,005 and 237,781.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.