Home / 31,160-66,750

Finding the Third Proportional to 31,160 and 66,750

Calculator

Solution

The third proportional to 31,160 and 66,750 is: 142,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160 : 66,750 = 66,750 : x
  2. Step 2: Convert to fraction form
    31,160/66,750 = 66,750/x
  3. Step 3: Cross multiply
    31,160x = 66,750 × 66,750
  4. Step 4: Simplify right side
    31,160x = 4,455,562,500
  5. Step 5: Solve for x
    x = 4,455,562,500/31,160
  6. Step 6: Final answer
    x = 142,989.81

Related Problems

Find third proportional to 15,580 and 33,375
Half scale
Find third proportional to 62,320 and 133,500
Double scale
Find third proportional to 31,162 and 66,754
Similar ratio
Find third proportional to 46,740 and 100,125
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.