Home / 897.19-2,121.19

Finding the Third Proportional to 897.19 and 2,121.19

Calculator

Solution

The third proportional to 897.19 and 2,121.19 is: 5,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    897.19 : 2,121.19 = 2,121.19 : x
  2. Step 2: Convert to fraction form
    897.19/2,121.19 = 2,121.19/x
  3. Step 3: Cross multiply
    897.19x = 2,121.19 × 2,121.19
  4. Step 4: Simplify right side
    897.19x = 4,499,436.41
  5. Step 5: Solve for x
    x = 4,499,436.41/897.19
  6. Step 6: Final answer
    x = 5,015.05

Related Problems

Find third proportional to 448.59 and 1,060.59
Half scale
Find third proportional to 1,794.38 and 4,242.38
Double scale
Find third proportional to 899 and 2,126
Similar ratio
Find third proportional to 1,345.78 and 3,181.78
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.