Home / 10,740-14,190

Finding the Third Proportional to 10,740 and 14,190

Calculator

Solution

The third proportional to 10,740 and 14,190 is: 18,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740 : 14,190 = 14,190 : x
  2. Step 2: Convert to fraction form
    10,740/14,190 = 14,190/x
  3. Step 3: Cross multiply
    10,740x = 14,190 × 14,190
  4. Step 4: Simplify right side
    10,740x = 201,356,100
  5. Step 5: Solve for x
    x = 201,356,100/10,740
  6. Step 6: Final answer
    x = 18,748.24

Related Problems

Find third proportional to 5,370 and 7,095
Half scale
Find third proportional to 21,480 and 28,380
Double scale
Find third proportional to 10,742 and 14,193
Similar ratio
Find third proportional to 16,110 and 21,285
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.