Home / 712.69-1,531.88

Finding the Third Proportional to 712.69 and 1,531.88

Calculator

Solution

The third proportional to 712.69 and 1,531.88 is: 3,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    712.69 : 1,531.88 = 1,531.88 : x
  2. Step 2: Convert to fraction form
    712.69/1,531.88 = 1,531.88/x
  3. Step 3: Cross multiply
    712.69x = 1,531.88 × 1,531.88
  4. Step 4: Simplify right side
    712.69x = 2,346,641.02
  5. Step 5: Solve for x
    x = 2,346,641.02/712.69
  6. Step 6: Final answer
    x = 3,292.66

Related Problems

Find third proportional to 356.34 and 765.94
Half scale
Find third proportional to 1,425.38 and 3,063.75
Double scale
Find third proportional to 715 and 1,536
Similar ratio
Find third proportional to 1,069.03 and 2,297.81
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.