Home / 860.50-1,374.75

Finding the Third Proportional to 860.50 and 1,374.75

Calculator

Solution

The third proportional to 860.50 and 1,374.75 is: 2,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    860.50 : 1,374.75 = 1,374.75 : x
  2. Step 2: Convert to fraction form
    860.50/1,374.75 = 1,374.75/x
  3. Step 3: Cross multiply
    860.50x = 1,374.75 × 1,374.75
  4. Step 4: Simplify right side
    860.50x = 1,889,937.56
  5. Step 5: Solve for x
    x = 1,889,937.56/860.50
  6. Step 6: Final answer
    x = 2,196.32

Related Problems

Find third proportional to 430.25 and 687.38
Half scale
Find third proportional to 1,721 and 2,749.50
Double scale
Find third proportional to 863 and 1,378
Similar ratio
Find third proportional to 1,290.75 and 2,062.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.