Home / 28,772-45,210

Finding the Third Proportional to 28,772 and 45,210

Calculator

Solution

The third proportional to 28,772 and 45,210 is: 71,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772 : 45,210 = 45,210 : x
  2. Step 2: Convert to fraction form
    28,772/45,210 = 45,210/x
  3. Step 3: Cross multiply
    28,772x = 45,210 × 45,210
  4. Step 4: Simplify right side
    28,772x = 2,043,944,100
  5. Step 5: Solve for x
    x = 2,043,944,100/28,772
  6. Step 6: Final answer
    x = 71,039.35

Related Problems

Find third proportional to 14,386 and 22,605
Half scale
Find third proportional to 57,544 and 90,420
Double scale
Find third proportional to 28,774 and 45,213
Similar ratio
Find third proportional to 43,158 and 67,815
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.