Home / 805.50-1,165.50

Finding the Third Proportional to 805.50 and 1,165.50

Calculator

Solution

The third proportional to 805.50 and 1,165.50 is: 1,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    805.50 : 1,165.50 = 1,165.50 : x
  2. Step 2: Convert to fraction form
    805.50/1,165.50 = 1,165.50/x
  3. Step 3: Cross multiply
    805.50x = 1,165.50 × 1,165.50
  4. Step 4: Simplify right side
    805.50x = 1,358,390.25
  5. Step 5: Solve for x
    x = 1,358,390.25/805.50
  6. Step 6: Final answer
    x = 1,686.39

Related Problems

Find third proportional to 402.75 and 582.75
Half scale
Find third proportional to 1,611 and 2,331
Double scale
Find third proportional to 808 and 1,168
Similar ratio
Find third proportional to 1,208.25 and 1,748.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.