Home / 74,775-161,291

Finding the Third Proportional to 74,775 and 161,291

Calculator

Solution

The third proportional to 74,775 and 161,291 is: 347,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,775 : 161,291 = 161,291 : x
  2. Step 2: Convert to fraction form
    74,775/161,291 = 161,291/x
  3. Step 3: Cross multiply
    74,775x = 161,291 × 161,291
  4. Step 4: Simplify right side
    74,775x = 26,014,786,681
  5. Step 5: Solve for x
    x = 26,014,786,681/74,775
  6. Step 6: Final answer
    x = 347,907.55

Related Problems

Find third proportional to 37,387.50 and 80,645.50
Half scale
Find third proportional to 149,550 and 322,582
Double scale
Find third proportional to 74,777 and 161,295
Similar ratio
Find third proportional to 112,162.50 and 241,936.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.