Home / 385,960-830,984

Finding the Third Proportional to 385,960 and 830,984

Calculator

Solution

The third proportional to 385,960 and 830,984 is: 1,789,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,960 : 830,984 = 830,984 : x
  2. Step 2: Convert to fraction form
    385,960/830,984 = 830,984/x
  3. Step 3: Cross multiply
    385,960x = 830,984 × 830,984
  4. Step 4: Simplify right side
    385,960x = 690,534,408,256
  5. Step 5: Solve for x
    x = 690,534,408,256/385,960
  6. Step 6: Final answer
    x = 1,789,134.65

Related Problems

Find third proportional to 192,980 and 415,492
Half scale
Find third proportional to 771,920 and 1,661,968
Double scale
Find third proportional to 385,962 and 830,988
Similar ratio
Find third proportional to 578,940 and 1,246,476
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.