Home / 315,654-425,285

Finding the Third Proportional to 315,654 and 425,285

Calculator

Solution

The third proportional to 315,654 and 425,285 is: 572,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,654 : 425,285 = 425,285 : x
  2. Step 2: Convert to fraction form
    315,654/425,285 = 425,285/x
  3. Step 3: Cross multiply
    315,654x = 425,285 × 425,285
  4. Step 4: Simplify right side
    315,654x = 180,867,331,225
  5. Step 5: Solve for x
    x = 180,867,331,225/315,654
  6. Step 6: Final answer
    x = 572,992.36

Related Problems

Find third proportional to 157,827 and 212,642.50
Half scale
Find third proportional to 631,308 and 850,570
Double scale
Find third proportional to 315,656 and 425,288
Similar ratio
Find third proportional to 473,481 and 637,927.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.