Home / 315,038-682,564

Finding the Third Proportional to 315,038 and 682,564

Calculator

Solution

The third proportional to 315,038 and 682,564 is: 1,478,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,038 : 682,564 = 682,564 : x
  2. Step 2: Convert to fraction form
    315,038/682,564 = 682,564/x
  3. Step 3: Cross multiply
    315,038x = 682,564 × 682,564
  4. Step 4: Simplify right side
    315,038x = 465,893,614,096
  5. Step 5: Solve for x
    x = 465,893,614,096/315,038
  6. Step 6: Final answer
    x = 1,478,848.95

Related Problems

Find third proportional to 157,519 and 341,282
Half scale
Find third proportional to 630,076 and 1,365,128
Double scale
Find third proportional to 315,040 and 682,568
Similar ratio
Find third proportional to 472,557 and 1,023,846
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.