Home / 465,772-721,416

Finding the Third Proportional to 465,772 and 721,416

Calculator

Solution

The third proportional to 465,772 and 721,416 is: 1,117,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,772 : 721,416 = 721,416 : x
  2. Step 2: Convert to fraction form
    465,772/721,416 = 721,416/x
  3. Step 3: Cross multiply
    465,772x = 721,416 × 721,416
  4. Step 4: Simplify right side
    465,772x = 520,441,045,056
  5. Step 5: Solve for x
    x = 520,441,045,056/465,772
  6. Step 6: Final answer
    x = 1,117,372.97

Related Problems

Find third proportional to 232,886 and 360,708
Half scale
Find third proportional to 931,544 and 1,442,832
Double scale
Find third proportional to 465,774 and 721,419
Similar ratio
Find third proportional to 698,658 and 1,082,124
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.