Home / 9,138-16,854

Finding the Third Proportional to 9,138 and 16,854

Calculator

Solution

The third proportional to 9,138 and 16,854 is: 31,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138 : 16,854 = 16,854 : x
  2. Step 2: Convert to fraction form
    9,138/16,854 = 16,854/x
  3. Step 3: Cross multiply
    9,138x = 16,854 × 16,854
  4. Step 4: Simplify right side
    9,138x = 284,057,316
  5. Step 5: Solve for x
    x = 284,057,316/9,138
  6. Step 6: Final answer
    x = 31,085.28

Related Problems

Find third proportional to 4,569 and 8,427
Half scale
Find third proportional to 18,276 and 33,708
Double scale
Find third proportional to 9,140 and 16,858
Similar ratio
Find third proportional to 13,707 and 25,281
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.