Home / 74,531-109,420

Finding the Third Proportional to 74,531 and 109,420

Calculator

Solution

The third proportional to 74,531 and 109,420 is: 160,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,531 : 109,420 = 109,420 : x
  2. Step 2: Convert to fraction form
    74,531/109,420 = 109,420/x
  3. Step 3: Cross multiply
    74,531x = 109,420 × 109,420
  4. Step 4: Simplify right side
    74,531x = 11,972,736,400
  5. Step 5: Solve for x
    x = 11,972,736,400/74,531
  6. Step 6: Final answer
    x = 160,641.03

Related Problems

Find third proportional to 37,265.50 and 54,710
Half scale
Find third proportional to 149,062 and 218,840
Double scale
Find third proportional to 74,533 and 109,423
Similar ratio
Find third proportional to 111,796.50 and 164,130
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.