Home / 810.50-1,702

Finding the Third Proportional to 810.50 and 1,702

Calculator

Solution

The third proportional to 810.50 and 1,702 is: 3,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    810.50 : 1,702 = 1,702 : x
  2. Step 2: Convert to fraction form
    810.50/1,702 = 1,702/x
  3. Step 3: Cross multiply
    810.50x = 1,702 × 1,702
  4. Step 4: Simplify right side
    810.50x = 2,896,804
  5. Step 5: Solve for x
    x = 2,896,804/810.50
  6. Step 6: Final answer
    x = 3,574.10

Related Problems

Find third proportional to 405.25 and 851
Half scale
Find third proportional to 1,621 and 3,404
Double scale
Find third proportional to 813 and 1,706
Similar ratio
Find third proportional to 1,215.75 and 2,553
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.