Home / 560-871

Finding the Third Proportional to 560 and 871

Calculator

Solution

The third proportional to 560 and 871 is: 1,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560 : 871 = 871 : x
  2. Step 2: Convert to fraction form
    560/871 = 871/x
  3. Step 3: Cross multiply
    560x = 871 × 871
  4. Step 4: Simplify right side
    560x = 758,641
  5. Step 5: Solve for x
    x = 758,641/560
  6. Step 6: Final answer
    x = 1,354.72

Related Problems

Find third proportional to 280 and 435.50
Half scale
Find third proportional to 1,120 and 1,742
Double scale
Find third proportional to 562 and 874
Similar ratio
Find third proportional to 840 and 1,306.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.