Home / 13,140-27,387

Finding the Third Proportional to 13,140 and 27,387

Calculator

Solution

The third proportional to 13,140 and 27,387 is: 57,081.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140 : 27,387 = 27,387 : x
  2. Step 2: Convert to fraction form
    13,140/27,387 = 27,387/x
  3. Step 3: Cross multiply
    13,140x = 27,387 × 27,387
  4. Step 4: Simplify right side
    13,140x = 750,047,769
  5. Step 5: Solve for x
    x = 750,047,769/13,140
  6. Step 6: Final answer
    x = 57,081.26

Related Problems

Find third proportional to 6,570 and 13,693.50
Half scale
Find third proportional to 26,280 and 54,774
Double scale
Find third proportional to 13,142 and 27,391
Similar ratio
Find third proportional to 19,710 and 41,080.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.