Home / 180,881-392,890

Finding the Third Proportional to 180,881 and 392,890

Calculator

Solution

The third proportional to 180,881 and 392,890 is: 853,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,881 : 392,890 = 392,890 : x
  2. Step 2: Convert to fraction form
    180,881/392,890 = 392,890/x
  3. Step 3: Cross multiply
    180,881x = 392,890 × 392,890
  4. Step 4: Simplify right side
    180,881x = 154,362,552,100
  5. Step 5: Solve for x
    x = 154,362,552,100/180,881
  6. Step 6: Final answer
    x = 853,392.85

Related Problems

Find third proportional to 90,440.50 and 196,445
Half scale
Find third proportional to 361,762 and 785,780
Double scale
Find third proportional to 180,883 and 392,894
Similar ratio
Find third proportional to 271,321.50 and 589,335
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.