Home / 563.25-781.88

Finding the Third Proportional to 563.25 and 781.88

Calculator

Solution

The third proportional to 563.25 and 781.88 is: 1,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.25 : 781.88 = 781.88 : x
  2. Step 2: Convert to fraction form
    563.25/781.88 = 781.88/x
  3. Step 3: Cross multiply
    563.25x = 781.88 × 781.88
  4. Step 4: Simplify right side
    563.25x = 611,328.52
  5. Step 5: Solve for x
    x = 611,328.52/563.25
  6. Step 6: Final answer
    x = 1,085.36

Related Problems

Find third proportional to 281.63 and 390.94
Half scale
Find third proportional to 1,126.50 and 1,563.75
Double scale
Find third proportional to 565 and 785
Similar ratio
Find third proportional to 844.88 and 1,172.81
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.