Home / 8,999-18,358

Finding the Third Proportional to 8,999 and 18,358

Calculator

Solution

The third proportional to 8,999 and 18,358 is: 37,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999 : 18,358 = 18,358 : x
  2. Step 2: Convert to fraction form
    8,999/18,358 = 18,358/x
  3. Step 3: Cross multiply
    8,999x = 18,358 × 18,358
  4. Step 4: Simplify right side
    8,999x = 337,016,164
  5. Step 5: Solve for x
    x = 337,016,164/8,999
  6. Step 6: Final answer
    x = 37,450.40

Related Problems

Find third proportional to 4,499.50 and 9,179
Half scale
Find third proportional to 17,998 and 36,716
Double scale
Find third proportional to 9,001 and 18,362
Similar ratio
Find third proportional to 13,498.50 and 27,537
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.