Home / 658,138-995,308

Finding the Third Proportional to 658,138 and 995,308

Calculator

Solution

The third proportional to 658,138 and 995,308 is: 1,505,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,138 : 995,308 = 995,308 : x
  2. Step 2: Convert to fraction form
    658,138/995,308 = 995,308/x
  3. Step 3: Cross multiply
    658,138x = 995,308 × 995,308
  4. Step 4: Simplify right side
    658,138x = 990,638,014,864
  5. Step 5: Solve for x
    x = 990,638,014,864/658,138
  6. Step 6: Final answer
    x = 1,505,213.21

Related Problems

Find third proportional to 329,069 and 497,654
Half scale
Find third proportional to 1,316,276 and 1,990,616
Double scale
Find third proportional to 658,140 and 995,311
Similar ratio
Find third proportional to 987,207 and 1,492,962
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.