Home / 1,267-1,605.50

Finding the Third Proportional to 1,267 and 1,605.50

Calculator

Solution

The third proportional to 1,267 and 1,605.50 is: 2,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267 : 1,605.50 = 1,605.50 : x
  2. Step 2: Convert to fraction form
    1,267/1,605.50 = 1,605.50/x
  3. Step 3: Cross multiply
    1,267x = 1,605.50 × 1,605.50
  4. Step 4: Simplify right side
    1,267x = 2,577,630.25
  5. Step 5: Solve for x
    x = 2,577,630.25/1,267
  6. Step 6: Final answer
    x = 2,034.44

Related Problems

Find third proportional to 633.50 and 802.75
Half scale
Find third proportional to 2,534 and 3,211
Double scale
Find third proportional to 1,269 and 1,608
Similar ratio
Find third proportional to 1,900.50 and 2,408.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.