Home / 1,289.50-2,804

Finding the Third Proportional to 1,289.50 and 2,804

Calculator

Solution

The third proportional to 1,289.50 and 2,804 is: 6,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289.50 : 2,804 = 2,804 : x
  2. Step 2: Convert to fraction form
    1,289.50/2,804 = 2,804/x
  3. Step 3: Cross multiply
    1,289.50x = 2,804 × 2,804
  4. Step 4: Simplify right side
    1,289.50x = 7,862,416
  5. Step 5: Solve for x
    x = 7,862,416/1,289.50
  6. Step 6: Final answer
    x = 6,097.26

Related Problems

Find third proportional to 644.75 and 1,402
Half scale
Find third proportional to 2,579 and 5,608
Double scale
Find third proportional to 1,292 and 2,808
Similar ratio
Find third proportional to 1,934.25 and 4,206
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.