Home / 532-630

Finding the Third Proportional to 532 and 630

Calculator

Solution

The third proportional to 532 and 630 is: 746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    532 : 630 = 630 : x
  2. Step 2: Convert to fraction form
    532/630 = 630/x
  3. Step 3: Cross multiply
    532x = 630 × 630
  4. Step 4: Simplify right side
    532x = 396,900
  5. Step 5: Solve for x
    x = 396,900/532
  6. Step 6: Final answer
    x = 746.05

Related Problems

Find third proportional to 266 and 315
Half scale
Find third proportional to 1,064 and 1,260
Double scale
Find third proportional to 534 and 632
Similar ratio
Find third proportional to 798 and 945
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.