Home / 803.50-1,681.75

Finding the Third Proportional to 803.50 and 1,681.75

Calculator

Solution

The third proportional to 803.50 and 1,681.75 is: 3,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    803.50 : 1,681.75 = 1,681.75 : x
  2. Step 2: Convert to fraction form
    803.50/1,681.75 = 1,681.75/x
  3. Step 3: Cross multiply
    803.50x = 1,681.75 × 1,681.75
  4. Step 4: Simplify right side
    803.50x = 2,828,283.06
  5. Step 5: Solve for x
    x = 2,828,283.06/803.50
  6. Step 6: Final answer
    x = 3,519.95

Related Problems

Find third proportional to 401.75 and 840.88
Half scale
Find third proportional to 1,607 and 3,363.50
Double scale
Find third proportional to 806 and 1,686
Similar ratio
Find third proportional to 1,205.25 and 2,522.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.