Home / 1,273-2,776

Finding the Third Proportional to 1,273 and 2,776

Calculator

Solution

The third proportional to 1,273 and 2,776 is: 6,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273 : 2,776 = 2,776 : x
  2. Step 2: Convert to fraction form
    1,273/2,776 = 2,776/x
  3. Step 3: Cross multiply
    1,273x = 2,776 × 2,776
  4. Step 4: Simplify right side
    1,273x = 7,706,176
  5. Step 5: Solve for x
    x = 7,706,176/1,273
  6. Step 6: Final answer
    x = 6,053.56

Related Problems

Find third proportional to 636.50 and 1,388
Half scale
Find third proportional to 2,546 and 5,552
Double scale
Find third proportional to 1,275 and 2,780
Similar ratio
Find third proportional to 1,909.50 and 4,164
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.