Home / 389,222-497,346

Finding the Third Proportional to 389,222 and 497,346

Calculator

Solution

The third proportional to 389,222 and 497,346 is: 635,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,222 : 497,346 = 497,346 : x
  2. Step 2: Convert to fraction form
    389,222/497,346 = 497,346/x
  3. Step 3: Cross multiply
    389,222x = 497,346 × 497,346
  4. Step 4: Simplify right side
    389,222x = 247,353,043,716
  5. Step 5: Solve for x
    x = 247,353,043,716/389,222
  6. Step 6: Final answer
    x = 635,506.33

Related Problems

Find third proportional to 194,611 and 248,673
Half scale
Find third proportional to 778,444 and 994,692
Double scale
Find third proportional to 389,224 and 497,349
Similar ratio
Find third proportional to 583,833 and 746,019
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.