Home / 890,289-1,972,710

Finding the Third Proportional to 890,289 and 1,972,710

Calculator

Solution

The third proportional to 890,289 and 1,972,710 is: 4,371,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,289 : 1,972,710 = 1,972,710 : x
  2. Step 2: Convert to fraction form
    890,289/1,972,710 = 1,972,710/x
  3. Step 3: Cross multiply
    890,289x = 1,972,710 × 1,972,710
  4. Step 4: Simplify right side
    890,289x = 3,891,584,744,100
  5. Step 5: Solve for x
    x = 3,891,584,744,100/890,289
  6. Step 6: Final answer
    x = 4,371,147.73

Related Problems

Find third proportional to 445,144.50 and 986,355
Half scale
Find third proportional to 1,780,578 and 3,945,420
Double scale
Find third proportional to 890,291 and 1,972,714
Similar ratio
Find third proportional to 1,335,433.50 and 2,959,065
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.