Home / 427,398.50-676,775.25

Finding the Third Proportional to 427,398.50 and 676,775.25

Calculator

Solution

The third proportional to 427,398.50 and 676,775.25 is: 1,071,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,398.50 : 676,775.25 = 676,775.25 : x
  2. Step 2: Convert to fraction form
    427,398.50/676,775.25 = 676,775.25/x
  3. Step 3: Cross multiply
    427,398.50x = 676,775.25 × 676,775.25
  4. Step 4: Simplify right side
    427,398.50x = 458,024,739,012.56
  5. Step 5: Solve for x
    x = 458,024,739,012.56/427,398.50
  6. Step 6: Final answer
    x = 1,071,657.34

Related Problems

Find third proportional to 213,699.25 and 338,387.63
Half scale
Find third proportional to 854,797 and 1,353,550.50
Double scale
Find third proportional to 427,401 and 676,778
Similar ratio
Find third proportional to 641,097.75 and 1,015,162.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.