Home / 553,860-829,866

Finding the Third Proportional to 553,860 and 829,866

Calculator

Solution

The third proportional to 553,860 and 829,866 is: 1,243,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,860 : 829,866 = 829,866 : x
  2. Step 2: Convert to fraction form
    553,860/829,866 = 829,866/x
  3. Step 3: Cross multiply
    553,860x = 829,866 × 829,866
  4. Step 4: Simplify right side
    553,860x = 688,677,577,956
  5. Step 5: Solve for x
    x = 688,677,577,956/553,860
  6. Step 6: Final answer
    x = 1,243,414.54

Related Problems

Find third proportional to 276,930 and 414,933
Half scale
Find third proportional to 1,107,720 and 1,659,732
Double scale
Find third proportional to 553,862 and 829,869
Similar ratio
Find third proportional to 830,790 and 1,244,799
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.