Home / 348.47-757.69

Finding the Third Proportional to 348.47 and 757.69

Calculator

Solution

The third proportional to 348.47 and 757.69 is: 1,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.47 : 757.69 = 757.69 : x
  2. Step 2: Convert to fraction form
    348.47/757.69 = 757.69/x
  3. Step 3: Cross multiply
    348.47x = 757.69 × 757.69
  4. Step 4: Simplify right side
    348.47x = 574,090.35
  5. Step 5: Solve for x
    x = 574,090.35/348.47
  6. Step 6: Final answer
    x = 1,647.47

Related Problems

Find third proportional to 174.23 and 378.84
Half scale
Find third proportional to 696.94 and 1,515.38
Double scale
Find third proportional to 350 and 762
Similar ratio
Find third proportional to 522.70 and 1,136.53
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.