Home / 403,984-627,270

Finding the Third Proportional to 403,984 and 627,270

Calculator

Solution

The third proportional to 403,984 and 627,270 is: 973,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,984 : 627,270 = 627,270 : x
  2. Step 2: Convert to fraction form
    403,984/627,270 = 627,270/x
  3. Step 3: Cross multiply
    403,984x = 627,270 × 627,270
  4. Step 4: Simplify right side
    403,984x = 393,467,652,900
  5. Step 5: Solve for x
    x = 393,467,652,900/403,984
  6. Step 6: Final answer
    x = 973,968.41

Related Problems

Find third proportional to 201,992 and 313,635
Half scale
Find third proportional to 807,968 and 1,254,540
Double scale
Find third proportional to 403,986 and 627,273
Similar ratio
Find third proportional to 605,976 and 940,905
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.