Home / 422,888.50-618,456.50

Finding the Third Proportional to 422,888.50 and 618,456.50

Calculator

Solution

The third proportional to 422,888.50 and 618,456.50 is: 904,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,888.50 : 618,456.50 = 618,456.50 : x
  2. Step 2: Convert to fraction form
    422,888.50/618,456.50 = 618,456.50/x
  3. Step 3: Cross multiply
    422,888.50x = 618,456.50 × 618,456.50
  4. Step 4: Simplify right side
    422,888.50x = 382,488,442,392.25
  5. Step 5: Solve for x
    x = 382,488,442,392.25/422,888.50
  6. Step 6: Final answer
    x = 904,466.41

Related Problems

Find third proportional to 211,444.25 and 309,228.25
Half scale
Find third proportional to 845,777 and 1,236,913
Double scale
Find third proportional to 422,891 and 618,459
Similar ratio
Find third proportional to 634,332.75 and 927,684.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.