Home / 530.50-804.75

Finding the Third Proportional to 530.50 and 804.75

Calculator

Solution

The third proportional to 530.50 and 804.75 is: 1,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.50 : 804.75 = 804.75 : x
  2. Step 2: Convert to fraction form
    530.50/804.75 = 804.75/x
  3. Step 3: Cross multiply
    530.50x = 804.75 × 804.75
  4. Step 4: Simplify right side
    530.50x = 647,622.56
  5. Step 5: Solve for x
    x = 647,622.56/530.50
  6. Step 6: Final answer
    x = 1,220.78

Related Problems

Find third proportional to 265.25 and 402.38
Half scale
Find third proportional to 1,061 and 1,609.50
Double scale
Find third proportional to 533 and 808
Similar ratio
Find third proportional to 795.75 and 1,207.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.