Home / 406,978-883,992

Finding the Third Proportional to 406,978 and 883,992

Calculator

Solution

The third proportional to 406,978 and 883,992 is: 1,920,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,978 : 883,992 = 883,992 : x
  2. Step 2: Convert to fraction form
    406,978/883,992 = 883,992/x
  3. Step 3: Cross multiply
    406,978x = 883,992 × 883,992
  4. Step 4: Simplify right side
    406,978x = 781,441,856,064
  5. Step 5: Solve for x
    x = 781,441,856,064/406,978
  6. Step 6: Final answer
    x = 1,920,108.35

Related Problems

Find third proportional to 203,489 and 441,996
Half scale
Find third proportional to 813,956 and 1,767,984
Double scale
Find third proportional to 406,980 and 883,996
Similar ratio
Find third proportional to 610,467 and 1,325,988
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.