Home / 425,187-658,319

Finding the Third Proportional to 425,187 and 658,319

Calculator

Solution

The third proportional to 425,187 and 658,319 is: 1,019,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,187 : 658,319 = 658,319 : x
  2. Step 2: Convert to fraction form
    425,187/658,319 = 658,319/x
  3. Step 3: Cross multiply
    425,187x = 658,319 × 658,319
  4. Step 4: Simplify right side
    425,187x = 433,383,905,761
  5. Step 5: Solve for x
    x = 433,383,905,761/425,187
  6. Step 6: Final answer
    x = 1,019,278.35

Related Problems

Find third proportional to 212,593.50 and 329,159.50
Half scale
Find third proportional to 850,374 and 1,316,638
Double scale
Find third proportional to 425,189 and 658,322
Similar ratio
Find third proportional to 637,780.50 and 987,478.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.