Home / 74,220-115,890

Finding the Third Proportional to 74,220 and 115,890

Calculator

Solution

The third proportional to 74,220 and 115,890 is: 180,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,220 : 115,890 = 115,890 : x
  2. Step 2: Convert to fraction form
    74,220/115,890 = 115,890/x
  3. Step 3: Cross multiply
    74,220x = 115,890 × 115,890
  4. Step 4: Simplify right side
    74,220x = 13,430,492,100
  5. Step 5: Solve for x
    x = 13,430,492,100/74,220
  6. Step 6: Final answer
    x = 180,955.16

Related Problems

Find third proportional to 37,110 and 57,945
Half scale
Find third proportional to 148,440 and 231,780
Double scale
Find third proportional to 74,222 and 115,893
Similar ratio
Find third proportional to 111,330 and 173,835
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.