Home / 280,464-615,360

Finding the Third Proportional to 280,464 and 615,360

Calculator

Solution

The third proportional to 280,464 and 615,360 is: 1,350,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,464 : 615,360 = 615,360 : x
  2. Step 2: Convert to fraction form
    280,464/615,360 = 615,360/x
  3. Step 3: Cross multiply
    280,464x = 615,360 × 615,360
  4. Step 4: Simplify right side
    280,464x = 378,667,929,600
  5. Step 5: Solve for x
    x = 378,667,929,600/280,464
  6. Step 6: Final answer
    x = 1,350,148.07

Related Problems

Find third proportional to 140,232 and 307,680
Half scale
Find third proportional to 560,928 and 1,230,720
Double scale
Find third proportional to 280,466 and 615,364
Similar ratio
Find third proportional to 420,696 and 923,040
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.