Home / 690,420-1,476,795

Finding the Third Proportional to 690,420 and 1,476,795

Calculator

Solution

The third proportional to 690,420 and 1,476,795 is: 3,158,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,420 : 1,476,795 = 1,476,795 : x
  2. Step 2: Convert to fraction form
    690,420/1,476,795 = 1,476,795/x
  3. Step 3: Cross multiply
    690,420x = 1,476,795 × 1,476,795
  4. Step 4: Simplify right side
    690,420x = 2,180,923,472,025
  5. Step 5: Solve for x
    x = 2,180,923,472,025/690,420
  6. Step 6: Final answer
    x = 3,158,835.89

Related Problems

Find third proportional to 345,210 and 738,397.50
Half scale
Find third proportional to 1,380,840 and 2,953,590
Double scale
Find third proportional to 690,422 and 1,476,799
Similar ratio
Find third proportional to 1,035,630 and 2,215,192.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.