Home / 18,484-28,455

Finding the Third Proportional to 18,484 and 28,455

Calculator

Solution

The third proportional to 18,484 and 28,455 is: 43,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484 : 28,455 = 28,455 : x
  2. Step 2: Convert to fraction form
    18,484/28,455 = 28,455/x
  3. Step 3: Cross multiply
    18,484x = 28,455 × 28,455
  4. Step 4: Simplify right side
    18,484x = 809,687,025
  5. Step 5: Solve for x
    x = 809,687,025/18,484
  6. Step 6: Final answer
    x = 43,804.75

Related Problems

Find third proportional to 9,242 and 14,227.50
Half scale
Find third proportional to 36,968 and 56,910
Double scale
Find third proportional to 18,486 and 28,458
Similar ratio
Find third proportional to 27,726 and 42,682.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.