Home / 637,211-1,377,670

Finding the Third Proportional to 637,211 and 1,377,670

Calculator

Solution

The third proportional to 637,211 and 1,377,670 is: 2,978,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,211 : 1,377,670 = 1,377,670 : x
  2. Step 2: Convert to fraction form
    637,211/1,377,670 = 1,377,670/x
  3. Step 3: Cross multiply
    637,211x = 1,377,670 × 1,377,670
  4. Step 4: Simplify right side
    637,211x = 1,897,974,628,900
  5. Step 5: Solve for x
    x = 1,897,974,628,900/637,211
  6. Step 6: Final answer
    x = 2,978,565.39

Related Problems

Find third proportional to 318,605.50 and 688,835
Half scale
Find third proportional to 1,274,422 and 2,755,340
Double scale
Find third proportional to 637,213 and 1,377,674
Similar ratio
Find third proportional to 955,816.50 and 2,066,505
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.