Home / 45,408-75,040

Finding the Third Proportional to 45,408 and 75,040

Calculator

Solution

The third proportional to 45,408 and 75,040 is: 124,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408 : 75,040 = 75,040 : x
  2. Step 2: Convert to fraction form
    45,408/75,040 = 75,040/x
  3. Step 3: Cross multiply
    45,408x = 75,040 × 75,040
  4. Step 4: Simplify right side
    45,408x = 5,631,001,600
  5. Step 5: Solve for x
    x = 5,631,001,600/45,408
  6. Step 6: Final answer
    x = 124,009.02

Related Problems

Find third proportional to 22,704 and 37,520
Half scale
Find third proportional to 90,816 and 150,080
Double scale
Find third proportional to 45,410 and 75,043
Similar ratio
Find third proportional to 68,112 and 112,560
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.