Home / 18,748-40,777

Finding the Third Proportional to 18,748 and 40,777

Calculator

Solution

The third proportional to 18,748 and 40,777 is: 88,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748 : 40,777 = 40,777 : x
  2. Step 2: Convert to fraction form
    18,748/40,777 = 40,777/x
  3. Step 3: Cross multiply
    18,748x = 40,777 × 40,777
  4. Step 4: Simplify right side
    18,748x = 1,662,763,729
  5. Step 5: Solve for x
    x = 1,662,763,729/18,748
  6. Step 6: Final answer
    x = 88,690.19

Related Problems

Find third proportional to 9,374 and 20,388.50
Half scale
Find third proportional to 37,496 and 81,554
Double scale
Find third proportional to 18,750 and 40,781
Similar ratio
Find third proportional to 28,122 and 61,165.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.