Home / 12,305-28,888

Finding the Third Proportional to 12,305 and 28,888

Calculator

Solution

The third proportional to 12,305 and 28,888 is: 67,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305 : 28,888 = 28,888 : x
  2. Step 2: Convert to fraction form
    12,305/28,888 = 28,888/x
  3. Step 3: Cross multiply
    12,305x = 28,888 × 28,888
  4. Step 4: Simplify right side
    12,305x = 834,516,544
  5. Step 5: Solve for x
    x = 834,516,544/12,305
  6. Step 6: Final answer
    x = 67,819.30

Related Problems

Find third proportional to 6,152.50 and 14,444
Half scale
Find third proportional to 24,610 and 57,776
Double scale
Find third proportional to 12,307 and 28,893
Similar ratio
Find third proportional to 18,457.50 and 43,332
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.