Home / 552-631.13

Finding the Third Proportional to 552 and 631.13

Calculator

Solution

The third proportional to 552 and 631.13 is: 721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    552 : 631.13 = 631.13 : x
  2. Step 2: Convert to fraction form
    552/631.13 = 631.13/x
  3. Step 3: Cross multiply
    552x = 631.13 × 631.13
  4. Step 4: Simplify right side
    552x = 398,318.77
  5. Step 5: Solve for x
    x = 398,318.77/552
  6. Step 6: Final answer
    x = 721.59

Related Problems

Find third proportional to 276 and 315.56
Half scale
Find third proportional to 1,104 and 1,262.25
Double scale
Find third proportional to 554 and 633
Similar ratio
Find third proportional to 828 and 946.69
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.