Home / 643,722-973,867

Finding the Third Proportional to 643,722 and 973,867

Calculator

Solution

The third proportional to 643,722 and 973,867 is: 1,473,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,722 : 973,867 = 973,867 : x
  2. Step 2: Convert to fraction form
    643,722/973,867 = 973,867/x
  3. Step 3: Cross multiply
    643,722x = 973,867 × 973,867
  4. Step 4: Simplify right side
    643,722x = 948,416,933,689
  5. Step 5: Solve for x
    x = 948,416,933,689/643,722
  6. Step 6: Final answer
    x = 1,473,333.11

Related Problems

Find third proportional to 321,861 and 486,933.50
Half scale
Find third proportional to 1,287,444 and 1,947,734
Double scale
Find third proportional to 643,724 and 973,870
Similar ratio
Find third proportional to 965,583 and 1,460,800.50
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.