Home / 873.50-1,890.50

Finding the Third Proportional to 873.50 and 1,890.50

Calculator

Solution

The third proportional to 873.50 and 1,890.50 is: 4,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    873.50 : 1,890.50 = 1,890.50 : x
  2. Step 2: Convert to fraction form
    873.50/1,890.50 = 1,890.50/x
  3. Step 3: Cross multiply
    873.50x = 1,890.50 × 1,890.50
  4. Step 4: Simplify right side
    873.50x = 3,573,990.25
  5. Step 5: Solve for x
    x = 3,573,990.25/873.50
  6. Step 6: Final answer
    x = 4,091.57

Related Problems

Find third proportional to 436.75 and 945.25
Half scale
Find third proportional to 1,747 and 3,781
Double scale
Find third proportional to 876 and 1,895
Similar ratio
Find third proportional to 1,310.25 and 2,835.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.