Home / 604.13-865.69

Finding the Third Proportional to 604.13 and 865.69

Calculator

Solution

The third proportional to 604.13 and 865.69 is: 1,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.13 : 865.69 = 865.69 : x
  2. Step 2: Convert to fraction form
    604.13/865.69 = 865.69/x
  3. Step 3: Cross multiply
    604.13x = 865.69 × 865.69
  4. Step 4: Simplify right side
    604.13x = 749,414.85
  5. Step 5: Solve for x
    x = 749,414.85/604.13
  6. Step 6: Final answer
    x = 1,240.50

Related Problems

Find third proportional to 302.06 and 432.84
Half scale
Find third proportional to 1,208.25 and 1,731.38
Double scale
Find third proportional to 606 and 869
Similar ratio
Find third proportional to 906.19 and 1,298.53
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.