Home / 315,344-461,280

Finding the Third Proportional to 315,344 and 461,280

Calculator

Solution

The third proportional to 315,344 and 461,280 is: 674,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,344 : 461,280 = 461,280 : x
  2. Step 2: Convert to fraction form
    315,344/461,280 = 461,280/x
  3. Step 3: Cross multiply
    315,344x = 461,280 × 461,280
  4. Step 4: Simplify right side
    315,344x = 212,779,238,400
  5. Step 5: Solve for x
    x = 212,779,238,400/315,344
  6. Step 6: Final answer
    x = 674,752.77

Related Problems

Find third proportional to 157,672 and 230,640
Half scale
Find third proportional to 630,688 and 922,560
Double scale
Find third proportional to 315,346 and 461,283
Similar ratio
Find third proportional to 473,016 and 691,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.