Home / 902-1,261

Finding the Third Proportional to 902 and 1,261

Calculator

Solution

The third proportional to 902 and 1,261 is: 1,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    902 : 1,261 = 1,261 : x
  2. Step 2: Convert to fraction form
    902/1,261 = 1,261/x
  3. Step 3: Cross multiply
    902x = 1,261 × 1,261
  4. Step 4: Simplify right side
    902x = 1,590,121
  5. Step 5: Solve for x
    x = 1,590,121/902
  6. Step 6: Final answer
    x = 1,762.88

Related Problems

Find third proportional to 451 and 630.50
Half scale
Find third proportional to 1,804 and 2,522
Double scale
Find third proportional to 904 and 1,264
Similar ratio
Find third proportional to 1,353 and 1,891.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.