Home / 527.75-821.88

Finding the Third Proportional to 527.75 and 821.88

Calculator

Solution

The third proportional to 527.75 and 821.88 is: 1,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.75 : 821.88 = 821.88 : x
  2. Step 2: Convert to fraction form
    527.75/821.88 = 821.88/x
  3. Step 3: Cross multiply
    527.75x = 821.88 × 821.88
  4. Step 4: Simplify right side
    527.75x = 675,478.52
  5. Step 5: Solve for x
    x = 675,478.52/527.75
  6. Step 6: Final answer
    x = 1,279.92

Related Problems

Find third proportional to 263.88 and 410.94
Half scale
Find third proportional to 1,055.50 and 1,643.75
Double scale
Find third proportional to 530 and 825
Similar ratio
Find third proportional to 791.63 and 1,232.81
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.