Home / 310,520-480,956

Finding the Third Proportional to 310,520 and 480,956

Calculator

Solution

The third proportional to 310,520 and 480,956 is: 744,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,520 : 480,956 = 480,956 : x
  2. Step 2: Convert to fraction form
    310,520/480,956 = 480,956/x
  3. Step 3: Cross multiply
    310,520x = 480,956 × 480,956
  4. Step 4: Simplify right side
    310,520x = 231,318,673,936
  5. Step 5: Solve for x
    x = 231,318,673,936/310,520
  6. Step 6: Final answer
    x = 744,939.69

Related Problems

Find third proportional to 155,260 and 240,478
Half scale
Find third proportional to 621,040 and 961,912
Double scale
Find third proportional to 310,522 and 480,959
Similar ratio
Find third proportional to 465,780 and 721,434
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.