Home / 663,069-998,478

Finding the Third Proportional to 663,069 and 998,478

Calculator

Solution

The third proportional to 663,069 and 998,478 is: 1,503,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,069 : 998,478 = 998,478 : x
  2. Step 2: Convert to fraction form
    663,069/998,478 = 998,478/x
  3. Step 3: Cross multiply
    663,069x = 998,478 × 998,478
  4. Step 4: Simplify right side
    663,069x = 996,958,316,484
  5. Step 5: Solve for x
    x = 996,958,316,484/663,069
  6. Step 6: Final answer
    x = 1,503,551.39

Related Problems

Find third proportional to 331,534.50 and 499,239
Half scale
Find third proportional to 1,326,138 and 1,996,956
Double scale
Find third proportional to 663,071 and 998,481
Similar ratio
Find third proportional to 994,603.50 and 1,497,717
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.