Home / 395,306-770,740

Finding the Third Proportional to 395,306 and 770,740

Calculator

Solution

The third proportional to 395,306 and 770,740 is: 1,502,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,306 : 770,740 = 770,740 : x
  2. Step 2: Convert to fraction form
    395,306/770,740 = 770,740/x
  3. Step 3: Cross multiply
    395,306x = 770,740 × 770,740
  4. Step 4: Simplify right side
    395,306x = 594,040,147,600
  5. Step 5: Solve for x
    x = 594,040,147,600/395,306
  6. Step 6: Final answer
    x = 1,502,734.96

Related Problems

Find third proportional to 197,653 and 385,370
Half scale
Find third proportional to 790,612 and 1,541,480
Double scale
Find third proportional to 395,308 and 770,744
Similar ratio
Find third proportional to 592,959 and 1,156,110
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.