Home / 867.80-1,898.86

Finding the Third Proportional to 867.80 and 1,898.86

Calculator

Solution

The third proportional to 867.80 and 1,898.86 is: 4,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    867.80 : 1,898.86 = 1,898.86 : x
  2. Step 2: Convert to fraction form
    867.80/1,898.86 = 1,898.86/x
  3. Step 3: Cross multiply
    867.80x = 1,898.86 × 1,898.86
  4. Step 4: Simplify right side
    867.80x = 3,605,666.93
  5. Step 5: Solve for x
    x = 3,605,666.93/867.80
  6. Step 6: Final answer
    x = 4,154.97

Related Problems

Find third proportional to 433.90 and 949.43
Half scale
Find third proportional to 1,735.59 and 3,797.72
Double scale
Find third proportional to 870 and 1,903
Similar ratio
Find third proportional to 1,301.70 and 2,848.29
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.